Home / 18,087.27-27,139.10-10,706.13

Finding the Fourth Proportional to 18,087.27, 27,139.10 and 10,706.13

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Solution

The fourth proportional to 18,087.27, 27,139.10 and 10,706.13 is: 16,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.27 : 27,139.10 = 10,706.13 : x
  2. Step 2: Convert to fraction form
    18,087.27/27,139.10 = 10,706.13/x
  3. Step 3: Cross multiply
    18,087.27x = 27,139.10 × 10,706.13
  4. Step 4: Simplify right side
    18,087.27x = 290,554,732.68
  5. Step 5: Solve for x
    x = 290,554,732.68/18,087.27
  6. Step 6: Final answer
    x = 16,064.05

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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.