Home / 15,456.38-23,188.62-6,689.24

Finding the Fourth Proportional to 15,456.38, 23,188.62 and 6,689.24

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Solution

The fourth proportional to 15,456.38, 23,188.62 and 6,689.24 is: 10,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.38 : 23,188.62 = 6,689.24 : x
  2. Step 2: Convert to fraction form
    15,456.38/23,188.62 = 6,689.24/x
  3. Step 3: Cross multiply
    15,456.38x = 23,188.62 × 6,689.24
  4. Step 4: Simplify right side
    15,456.38x = 155,114,244.45
  5. Step 5: Solve for x
    x = 155,114,244.45/15,456.38
  6. Step 6: Final answer
    x = 10,035.61

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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.