Home / 15,687.28-23,510.15-7,352.37

Finding the Fourth Proportional to 15,687.28, 23,510.15 and 7,352.37

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Solution

The fourth proportional to 15,687.28, 23,510.15 and 7,352.37 is: 11,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.28 : 23,510.15 = 7,352.37 : x
  2. Step 2: Convert to fraction form
    15,687.28/23,510.15 = 7,352.37/x
  3. Step 3: Cross multiply
    15,687.28x = 23,510.15 × 7,352.37
  4. Step 4: Simplify right side
    15,687.28x = 172,855,321.56
  5. Step 5: Solve for x
    x = 172,855,321.56/15,687.28
  6. Step 6: Final answer
    x = 11,018.82

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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.