Home / 18,217.28-27,291.52-10,402.56

Finding the Fourth Proportional to 18,217.28, 27,291.52 and 10,402.56

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Solution

The fourth proportional to 18,217.28, 27,291.52 and 10,402.56 is: 15,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.28 : 27,291.52 = 10,402.56 : x
  2. Step 2: Convert to fraction form
    18,217.28/27,291.52 = 10,402.56/x
  3. Step 3: Cross multiply
    18,217.28x = 27,291.52 × 10,402.56
  4. Step 4: Simplify right side
    18,217.28x = 283,901,674.29
  5. Step 5: Solve for x
    x = 283,901,674.29/18,217.28
  6. Step 6: Final answer
    x = 15,584.20

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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.