Home / 16,862.88-25,294.22-5,175.76

Finding the Fourth Proportional to 16,862.88, 25,294.22 and 5,175.76

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Solution

The fourth proportional to 16,862.88, 25,294.22 and 5,175.76 is: 7,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.88 : 25,294.22 = 5,175.76 : x
  2. Step 2: Convert to fraction form
    16,862.88/25,294.22 = 5,175.76/x
  3. Step 3: Cross multiply
    16,862.88x = 25,294.22 × 5,175.76
  4. Step 4: Simplify right side
    16,862.88x = 130,916,812.11
  5. Step 5: Solve for x
    x = 130,916,812.11/16,862.88
  6. Step 6: Final answer
    x = 7,763.61

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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.