Home / 13,446.52-20,157.48-5,655.88

Finding the Fourth Proportional to 13,446.52, 20,157.48 and 5,655.88

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Solution

The fourth proportional to 13,446.52, 20,157.48 and 5,655.88 is: 8,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.52 : 20,157.48 = 5,655.88 : x
  2. Step 2: Convert to fraction form
    13,446.52/20,157.48 = 5,655.88/x
  3. Step 3: Cross multiply
    13,446.52x = 20,157.48 × 5,655.88
  4. Step 4: Simplify right side
    13,446.52x = 114,008,287.98
  5. Step 5: Solve for x
    x = 114,008,287.98/13,446.52
  6. Step 6: Final answer
    x = 8,478.65

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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.