Home / 18,248.28-27,383.24-7,717.74

Finding the Fourth Proportional to 18,248.28, 27,383.24 and 7,717.74

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Solution

The fourth proportional to 18,248.28, 27,383.24 and 7,717.74 is: 11,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.28 : 27,383.24 = 7,717.74 : x
  2. Step 2: Convert to fraction form
    18,248.28/27,383.24 = 7,717.74/x
  3. Step 3: Cross multiply
    18,248.28x = 27,383.24 × 7,717.74
  4. Step 4: Simplify right side
    18,248.28x = 211,336,726.68
  5. Step 5: Solve for x
    x = 211,336,726.68/18,248.28
  6. Step 6: Final answer
    x = 11,581.19

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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.