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Finding the Fourth Proportional to 14,520.18, 20,037.51 and 8,059.83

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Solution

The fourth proportional to 14,520.18, 20,037.51 and 8,059.83 is: 11,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.18 : 20,037.51 = 8,059.83 : x
  2. Step 2: Convert to fraction form
    14,520.18/20,037.51 = 8,059.83/x
  3. Step 3: Cross multiply
    14,520.18x = 20,037.51 × 8,059.83
  4. Step 4: Simplify right side
    14,520.18x = 161,498,924.22
  5. Step 5: Solve for x
    x = 161,498,924.22/14,520.18
  6. Step 6: Final answer
    x = 11,122.38

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Half scale
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Double scale
Find fourth proportional to 14,521.18, 20,038.89 and 8,060.83
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.