Home / 11,098.20-16,647.30-9,129.90

Finding the Fourth Proportional to 11,098.20, 16,647.30 and 9,129.90

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Solution

The fourth proportional to 11,098.20, 16,647.30 and 9,129.90 is: 13,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.20 : 16,647.30 = 9,129.90 : x
  2. Step 2: Convert to fraction form
    11,098.20/16,647.30 = 9,129.90/x
  3. Step 3: Cross multiply
    11,098.20x = 16,647.30 × 9,129.90
  4. Step 4: Simplify right side
    11,098.20x = 151,988,184.27
  5. Step 5: Solve for x
    x = 151,988,184.27/11,098.20
  6. Step 6: Final answer
    x = 13,694.85

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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.