Home / 16,781.13-25,171.70-4,469.13

Finding the Fourth Proportional to 16,781.13, 25,171.70 and 4,469.13

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Solution

The fourth proportional to 16,781.13, 25,171.70 and 4,469.13 is: 6,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.13 : 25,171.70 = 4,469.13 : x
  2. Step 2: Convert to fraction form
    16,781.13/25,171.70 = 4,469.13/x
  3. Step 3: Cross multiply
    16,781.13x = 25,171.70 × 4,469.13
  4. Step 4: Simplify right side
    16,781.13x = 112,495,599.62
  5. Step 5: Solve for x
    x = 112,495,599.62/16,781.13
  6. Step 6: Final answer
    x = 6,703.70

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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.