Home / 18,252.29-27,378.36-7,151.14

Finding the Fourth Proportional to 18,252.29, 27,378.36 and 7,151.14

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Solution

The fourth proportional to 18,252.29, 27,378.36 and 7,151.14 is: 10,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252.29 : 27,378.36 = 7,151.14 : x
  2. Step 2: Convert to fraction form
    18,252.29/27,378.36 = 7,151.14/x
  3. Step 3: Cross multiply
    18,252.29x = 27,378.36 × 7,151.14
  4. Step 4: Simplify right side
    18,252.29x = 195,786,519.55
  5. Step 5: Solve for x
    x = 195,786,519.55/18,252.29
  6. Step 6: Final answer
    x = 10,726.68

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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.