Home / 13,239.60-19,861.56-4,475.04

Finding the Fourth Proportional to 13,239.60, 19,861.56 and 4,475.04

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Solution

The fourth proportional to 13,239.60, 19,861.56 and 4,475.04 is: 6,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.60 : 19,861.56 = 4,475.04 : x
  2. Step 2: Convert to fraction form
    13,239.60/19,861.56 = 4,475.04/x
  3. Step 3: Cross multiply
    13,239.60x = 19,861.56 × 4,475.04
  4. Step 4: Simplify right side
    13,239.60x = 88,881,275.46
  5. Step 5: Solve for x
    x = 88,881,275.46/13,239.60
  6. Step 6: Final answer
    x = 6,713.29

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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.