Home / 13,837.34-20,761.24-8,294.66

Finding the Fourth Proportional to 13,837.34, 20,761.24 and 8,294.66

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Solution

The fourth proportional to 13,837.34, 20,761.24 and 8,294.66 is: 12,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.34 : 20,761.24 = 8,294.66 : x
  2. Step 2: Convert to fraction form
    13,837.34/20,761.24 = 8,294.66/x
  3. Step 3: Cross multiply
    13,837.34x = 20,761.24 × 8,294.66
  4. Step 4: Simplify right side
    13,837.34x = 172,207,458.14
  5. Step 5: Solve for x
    x = 172,207,458.14/13,837.34
  6. Step 6: Final answer
    x = 12,445.13

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1.5x scale

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.