Home / 16,679.24-23,013.02-9,961.91

Finding the Fourth Proportional to 16,679.24, 23,013.02 and 9,961.91

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Solution

The fourth proportional to 16,679.24, 23,013.02 and 9,961.91 is: 13,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.24 : 23,013.02 = 9,961.91 : x
  2. Step 2: Convert to fraction form
    16,679.24/23,013.02 = 9,961.91/x
  3. Step 3: Cross multiply
    16,679.24x = 23,013.02 × 9,961.91
  4. Step 4: Simplify right side
    16,679.24x = 229,253,543.91
  5. Step 5: Solve for x
    x = 229,253,543.91/16,679.24
  6. Step 6: Final answer
    x = 13,744.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.