Home / 13,864.72-20,799.24-8,316.76

Finding the Fourth Proportional to 13,864.72, 20,799.24 and 8,316.76

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Solution

The fourth proportional to 13,864.72, 20,799.24 and 8,316.76 is: 12,476.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.72 : 20,799.24 = 8,316.76 : x
  2. Step 2: Convert to fraction form
    13,864.72/20,799.24 = 8,316.76/x
  3. Step 3: Cross multiply
    13,864.72x = 20,799.24 × 8,316.76
  4. Step 4: Simplify right side
    13,864.72x = 172,982,287.26
  5. Step 5: Solve for x
    x = 172,982,287.26/13,864.72
  6. Step 6: Final answer
    x = 12,476.44

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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.