Home / 20,397.32-30,608.12-11,037.15

Finding the Fourth Proportional to 20,397.32, 30,608.12 and 11,037.15

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Solution

The fourth proportional to 20,397.32, 30,608.12 and 11,037.15 is: 16,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.32 : 30,608.12 = 11,037.15 : x
  2. Step 2: Convert to fraction form
    20,397.32/30,608.12 = 11,037.15/x
  3. Step 3: Cross multiply
    20,397.32x = 30,608.12 × 11,037.15
  4. Step 4: Simplify right side
    20,397.32x = 337,826,411.66
  5. Step 5: Solve for x
    x = 337,826,411.66/20,397.32
  6. Step 6: Final answer
    x = 16,562.29

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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.