Home / 16,781.87-25,171.17-5,095.19

Finding the Fourth Proportional to 16,781.87, 25,171.17 and 5,095.19

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Solution

The fourth proportional to 16,781.87, 25,171.17 and 5,095.19 is: 7,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.87 : 25,171.17 = 5,095.19 : x
  2. Step 2: Convert to fraction form
    16,781.87/25,171.17 = 5,095.19/x
  3. Step 3: Cross multiply
    16,781.87x = 25,171.17 × 5,095.19
  4. Step 4: Simplify right side
    16,781.87x = 128,251,767.82
  5. Step 5: Solve for x
    x = 128,251,767.82/16,781.87
  6. Step 6: Final answer
    x = 7,642.28

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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.