Home / 10,149.34-14,005.11-6,371.30

Finding the Fourth Proportional to 10,149.34, 14,005.11 and 6,371.30

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Solution

The fourth proportional to 10,149.34, 14,005.11 and 6,371.30 is: 8,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.34 : 14,005.11 = 6,371.30 : x
  2. Step 2: Convert to fraction form
    10,149.34/14,005.11 = 6,371.30/x
  3. Step 3: Cross multiply
    10,149.34x = 14,005.11 × 6,371.30
  4. Step 4: Simplify right side
    10,149.34x = 89,230,757.34
  5. Step 5: Solve for x
    x = 89,230,757.34/10,149.34
  6. Step 6: Final answer
    x = 8,791.78

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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.