Home / 13,586.83-20,387.18-6,572.86

Finding the Fourth Proportional to 13,586.83, 20,387.18 and 6,572.86

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Solution

The fourth proportional to 13,586.83, 20,387.18 and 6,572.86 is: 9,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.83 : 20,387.18 = 6,572.86 : x
  2. Step 2: Convert to fraction form
    13,586.83/20,387.18 = 6,572.86/x
  3. Step 3: Cross multiply
    13,586.83x = 20,387.18 × 6,572.86
  4. Step 4: Simplify right side
    13,586.83x = 134,001,996.10
  5. Step 5: Solve for x
    x = 134,001,996.10/13,586.83
  6. Step 6: Final answer
    x = 9,862.64

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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.