Home / 16,909.17-25,363.76-13,205.85

Finding the Fourth Proportional to 16,909.17, 25,363.76 and 13,205.85

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Solution

The fourth proportional to 16,909.17, 25,363.76 and 13,205.85 is: 19,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.17 : 25,363.76 = 13,205.85 : x
  2. Step 2: Convert to fraction form
    16,909.17/25,363.76 = 13,205.85/x
  3. Step 3: Cross multiply
    16,909.17x = 25,363.76 × 13,205.85
  4. Step 4: Simplify right side
    16,909.17x = 334,949,943.97
  5. Step 5: Solve for x
    x = 334,949,943.97/16,909.17
  6. Step 6: Final answer
    x = 19,808.78

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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.