Home / 19,687.05-27,167.13-10,734.48

Finding the Fourth Proportional to 19,687.05, 27,167.13 and 10,734.48

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Solution

The fourth proportional to 19,687.05, 27,167.13 and 10,734.48 is: 14,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.05 : 27,167.13 = 10,734.48 : x
  2. Step 2: Convert to fraction form
    19,687.05/27,167.13 = 10,734.48/x
  3. Step 3: Cross multiply
    19,687.05x = 27,167.13 × 10,734.48
  4. Step 4: Simplify right side
    19,687.05x = 291,625,013.64
  5. Step 5: Solve for x
    x = 291,625,013.64/19,687.05
  6. Step 6: Final answer
    x = 14,813.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.