Home / 18,161.58-27,250.13-10,265.18

Finding the Fourth Proportional to 18,161.58, 27,250.13 and 10,265.18

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Solution

The fourth proportional to 18,161.58, 27,250.13 and 10,265.18 is: 15,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.58 : 27,250.13 = 10,265.18 : x
  2. Step 2: Convert to fraction form
    18,161.58/27,250.13 = 10,265.18/x
  3. Step 3: Cross multiply
    18,161.58x = 27,250.13 × 10,265.18
  4. Step 4: Simplify right side
    18,161.58x = 279,727,489.47
  5. Step 5: Solve for x
    x = 279,727,489.47/18,161.58
  6. Step 6: Final answer
    x = 15,402.16

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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.