Home / 16,871.02-25,306.76-8,103.92

Finding the Fourth Proportional to 16,871.02, 25,306.76 and 8,103.92

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Solution

The fourth proportional to 16,871.02, 25,306.76 and 8,103.92 is: 12,155.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.02 : 25,306.76 = 8,103.92 : x
  2. Step 2: Convert to fraction form
    16,871.02/25,306.76 = 8,103.92/x
  3. Step 3: Cross multiply
    16,871.02x = 25,306.76 × 8,103.92
  4. Step 4: Simplify right side
    16,871.02x = 205,083,852.23
  5. Step 5: Solve for x
    x = 205,083,852.23/16,871.02
  6. Step 6: Final answer
    x = 12,155.99

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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.