Home / 15,127.66-22,688.46-5,761.24

Finding the Fourth Proportional to 15,127.66, 22,688.46 and 5,761.24

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Solution

The fourth proportional to 15,127.66, 22,688.46 and 5,761.24 is: 8,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127.66 : 22,688.46 = 5,761.24 : x
  2. Step 2: Convert to fraction form
    15,127.66/22,688.46 = 5,761.24/x
  3. Step 3: Cross multiply
    15,127.66x = 22,688.46 × 5,761.24
  4. Step 4: Simplify right side
    15,127.66x = 130,713,663.29
  5. Step 5: Solve for x
    x = 130,713,663.29/15,127.66
  6. Step 6: Final answer
    x = 8,640.71

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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.