Home / 14,190.30-21,285.45-8,552.70

Finding the Fourth Proportional to 14,190.30, 21,285.45 and 8,552.70

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Solution

The fourth proportional to 14,190.30, 21,285.45 and 8,552.70 is: 12,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.30 : 21,285.45 = 8,552.70 : x
  2. Step 2: Convert to fraction form
    14,190.30/21,285.45 = 8,552.70/x
  3. Step 3: Cross multiply
    14,190.30x = 21,285.45 × 8,552.70
  4. Step 4: Simplify right side
    14,190.30x = 182,048,068.22
  5. Step 5: Solve for x
    x = 182,048,068.22/14,190.30
  6. Step 6: Final answer
    x = 12,829.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.