Home / 15,139.24-22,710.41-5,787.13

Finding the Fourth Proportional to 15,139.24, 22,710.41 and 5,787.13

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Solution

The fourth proportional to 15,139.24, 22,710.41 and 5,787.13 is: 8,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.24 : 22,710.41 = 5,787.13 : x
  2. Step 2: Convert to fraction form
    15,139.24/22,710.41 = 5,787.13/x
  3. Step 3: Cross multiply
    15,139.24x = 22,710.41 × 5,787.13
  4. Step 4: Simplify right side
    15,139.24x = 131,428,095.02
  5. Step 5: Solve for x
    x = 131,428,095.02/15,139.24
  6. Step 6: Final answer
    x = 8,681.29

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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.