Home / 10,890.13-16,337.91-3,098.89

Finding the Fourth Proportional to 10,890.13, 16,337.91 and 3,098.89

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Solution

The fourth proportional to 10,890.13, 16,337.91 and 3,098.89 is: 4,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.13 : 16,337.91 = 3,098.89 : x
  2. Step 2: Convert to fraction form
    10,890.13/16,337.91 = 3,098.89/x
  3. Step 3: Cross multiply
    10,890.13x = 16,337.91 × 3,098.89
  4. Step 4: Simplify right side
    10,890.13x = 50,629,385.92
  5. Step 5: Solve for x
    x = 50,629,385.92/10,890.13
  6. Step 6: Final answer
    x = 4,649.11

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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.