Home / 10,799.13-16,175.19-5,240.74

Finding the Fourth Proportional to 10,799.13, 16,175.19 and 5,240.74

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Solution

The fourth proportional to 10,799.13, 16,175.19 and 5,240.74 is: 7,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,799.13 : 16,175.19 = 5,240.74 : x
  2. Step 2: Convert to fraction form
    10,799.13/16,175.19 = 5,240.74/x
  3. Step 3: Cross multiply
    10,799.13x = 16,175.19 × 5,240.74
  4. Step 4: Simplify right side
    10,799.13x = 84,769,965.24
  5. Step 5: Solve for x
    x = 84,769,965.24/10,799.13
  6. Step 6: Final answer
    x = 7,849.70

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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.