Home / 15,432.90-23,135.49-5,569.86

Finding the Fourth Proportional to 15,432.90, 23,135.49 and 5,569.86

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Solution

The fourth proportional to 15,432.90, 23,135.49 and 5,569.86 is: 8,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.90 : 23,135.49 = 5,569.86 : x
  2. Step 2: Convert to fraction form
    15,432.90/23,135.49 = 5,569.86/x
  3. Step 3: Cross multiply
    15,432.90x = 23,135.49 × 5,569.86
  4. Step 4: Simplify right side
    15,432.90x = 128,861,440.33
  5. Step 5: Solve for x
    x = 128,861,440.33/15,432.90
  6. Step 6: Final answer
    x = 8,349.79

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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.