Home / 13,657.28-20,495.04-5,867.96

Finding the Fourth Proportional to 13,657.28, 20,495.04 and 5,867.96

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Solution

The fourth proportional to 13,657.28, 20,495.04 and 5,867.96 is: 8,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657.28 : 20,495.04 = 5,867.96 : x
  2. Step 2: Convert to fraction form
    13,657.28/20,495.04 = 5,867.96/x
  3. Step 3: Cross multiply
    13,657.28x = 20,495.04 × 5,867.96
  4. Step 4: Simplify right side
    13,657.28x = 120,264,074.92
  5. Step 5: Solve for x
    x = 120,264,074.92/13,657.28
  6. Step 6: Final answer
    x = 8,805.86

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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.