Home / 15,615.35-23,432.18-5,761.49

Finding the Fourth Proportional to 15,615.35, 23,432.18 and 5,761.49

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Solution

The fourth proportional to 15,615.35, 23,432.18 and 5,761.49 is: 8,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.35 : 23,432.18 = 5,761.49 : x
  2. Step 2: Convert to fraction form
    15,615.35/23,432.18 = 5,761.49/x
  3. Step 3: Cross multiply
    15,615.35x = 23,432.18 × 5,761.49
  4. Step 4: Simplify right side
    15,615.35x = 135,004,241.94
  5. Step 5: Solve for x
    x = 135,004,241.94/15,615.35
  6. Step 6: Final answer
    x = 8,645.61

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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.