Home / 14,120.25-19,486.83-8,152.30

Finding the Fourth Proportional to 14,120.25, 19,486.83 and 8,152.30

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Solution

The fourth proportional to 14,120.25, 19,486.83 and 8,152.30 is: 11,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.25 : 19,486.83 = 8,152.30 : x
  2. Step 2: Convert to fraction form
    14,120.25/19,486.83 = 8,152.30/x
  3. Step 3: Cross multiply
    14,120.25x = 19,486.83 × 8,152.30
  4. Step 4: Simplify right side
    14,120.25x = 158,862,484.21
  5. Step 5: Solve for x
    x = 158,862,484.21/14,120.25
  6. Step 6: Final answer
    x = 11,250.68

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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.