Home / 10,432.77-15,645.18-3,411.12

Finding the Fourth Proportional to 10,432.77, 15,645.18 and 3,411.12

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Solution

The fourth proportional to 10,432.77, 15,645.18 and 3,411.12 is: 5,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.77 : 15,645.18 = 3,411.12 : x
  2. Step 2: Convert to fraction form
    10,432.77/15,645.18 = 3,411.12/x
  3. Step 3: Cross multiply
    10,432.77x = 15,645.18 × 3,411.12
  4. Step 4: Simplify right side
    10,432.77x = 53,367,586.40
  5. Step 5: Solve for x
    x = 53,367,586.40/10,432.77
  6. Step 6: Final answer
    x = 5,115.38

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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.