Home / 10,149.29-13,996.95-6,372.81

Finding the Fourth Proportional to 10,149.29, 13,996.95 and 6,372.81

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Solution

The fourth proportional to 10,149.29, 13,996.95 and 6,372.81 is: 8,788.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.29 : 13,996.95 = 6,372.81 : x
  2. Step 2: Convert to fraction form
    10,149.29/13,996.95 = 6,372.81/x
  3. Step 3: Cross multiply
    10,149.29x = 13,996.95 × 6,372.81
  4. Step 4: Simplify right side
    10,149.29x = 89,199,902.93
  5. Step 5: Solve for x
    x = 89,199,902.93/10,149.29
  6. Step 6: Final answer
    x = 8,788.78

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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.