Home / 19,151.70-28,727.55-9,310.20

Finding the Fourth Proportional to 19,151.70, 28,727.55 and 9,310.20

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Solution

The fourth proportional to 19,151.70, 28,727.55 and 9,310.20 is: 13,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.70 : 28,727.55 = 9,310.20 : x
  2. Step 2: Convert to fraction form
    19,151.70/28,727.55 = 9,310.20/x
  3. Step 3: Cross multiply
    19,151.70x = 28,727.55 × 9,310.20
  4. Step 4: Simplify right side
    19,151.70x = 267,459,236.01
  5. Step 5: Solve for x
    x = 267,459,236.01/19,151.70
  6. Step 6: Final answer
    x = 13,965.30

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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.