Home / 15,615.32-23,432.20-5,761.48

Finding the Fourth Proportional to 15,615.32, 23,432.20 and 5,761.48

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Solution

The fourth proportional to 15,615.32, 23,432.20 and 5,761.48 is: 8,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.32 : 23,432.20 = 5,761.48 : x
  2. Step 2: Convert to fraction form
    15,615.32/23,432.20 = 5,761.48/x
  3. Step 3: Cross multiply
    15,615.32x = 23,432.20 × 5,761.48
  4. Step 4: Simplify right side
    15,615.32x = 135,004,151.66
  5. Step 5: Solve for x
    x = 135,004,151.66/15,615.32
  6. Step 6: Final answer
    x = 8,645.62

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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.