Home / 16,862.78-25,277.18-5,761.91

Finding the Fourth Proportional to 16,862.78, 25,277.18 and 5,761.91

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Solution

The fourth proportional to 16,862.78, 25,277.18 and 5,761.91 is: 8,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.78 : 25,277.18 = 5,761.91 : x
  2. Step 2: Convert to fraction form
    16,862.78/25,277.18 = 5,761.91/x
  3. Step 3: Cross multiply
    16,862.78x = 25,277.18 × 5,761.91
  4. Step 4: Simplify right side
    16,862.78x = 145,644,681.02
  5. Step 5: Solve for x
    x = 145,644,681.02/16,862.78
  6. Step 6: Final answer
    x = 8,637.05

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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.