Home / 18,134.13-27,175.28-10,326.81

Finding the Fourth Proportional to 18,134.13, 27,175.28 and 10,326.81

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Solution

The fourth proportional to 18,134.13, 27,175.28 and 10,326.81 is: 15,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.13 : 27,175.28 = 10,326.81 : x
  2. Step 2: Convert to fraction form
    18,134.13/27,175.28 = 10,326.81/x
  3. Step 3: Cross multiply
    18,134.13x = 27,175.28 × 10,326.81
  4. Step 4: Simplify right side
    18,134.13x = 280,633,901.62
  5. Step 5: Solve for x
    x = 280,633,901.62/18,134.13
  6. Step 6: Final answer
    x = 15,475.45

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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.