Home / 13,508.70-20,244.42-6,493.02

Finding the Fourth Proportional to 13,508.70, 20,244.42 and 6,493.02

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Solution

The fourth proportional to 13,508.70, 20,244.42 and 6,493.02 is: 9,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.70 : 20,244.42 = 6,493.02 : x
  2. Step 2: Convert to fraction form
    13,508.70/20,244.42 = 6,493.02/x
  3. Step 3: Cross multiply
    13,508.70x = 20,244.42 × 6,493.02
  4. Step 4: Simplify right side
    13,508.70x = 131,447,423.95
  5. Step 5: Solve for x
    x = 131,447,423.95/13,508.70
  6. Step 6: Final answer
    x = 9,730.58

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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.