Home / 15,728.38-23,596.21-5,340.13

Finding the Fourth Proportional to 15,728.38, 23,596.21 and 5,340.13

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Solution

The fourth proportional to 15,728.38, 23,596.21 and 5,340.13 is: 8,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.38 : 23,596.21 = 5,340.13 : x
  2. Step 2: Convert to fraction form
    15,728.38/23,596.21 = 5,340.13/x
  3. Step 3: Cross multiply
    15,728.38x = 23,596.21 × 5,340.13
  4. Step 4: Simplify right side
    15,728.38x = 126,006,710.93
  5. Step 5: Solve for x
    x = 126,006,710.93/15,728.38
  6. Step 6: Final answer
    x = 8,011.43

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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.