Home / 10,572.85-15,847.83-6,877.72

Finding the Fourth Proportional to 10,572.85, 15,847.83 and 6,877.72

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Solution

The fourth proportional to 10,572.85, 15,847.83 and 6,877.72 is: 10,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.85 : 15,847.83 = 6,877.72 : x
  2. Step 2: Convert to fraction form
    10,572.85/15,847.83 = 6,877.72/x
  3. Step 3: Cross multiply
    10,572.85x = 15,847.83 × 6,877.72
  4. Step 4: Simplify right side
    10,572.85x = 108,996,937.35
  5. Step 5: Solve for x
    x = 108,996,937.35/10,572.85
  6. Step 6: Final answer
    x = 10,309.13

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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.