Home / 18,484.38-27,726.59-5,156.84

Finding the Fourth Proportional to 18,484.38, 27,726.59 and 5,156.84

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Solution

The fourth proportional to 18,484.38, 27,726.59 and 5,156.84 is: 7,735.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.38 : 27,726.59 = 5,156.84 : x
  2. Step 2: Convert to fraction form
    18,484.38/27,726.59 = 5,156.84/x
  3. Step 3: Cross multiply
    18,484.38x = 27,726.59 × 5,156.84
  4. Step 4: Simplify right side
    18,484.38x = 142,981,588.38
  5. Step 5: Solve for x
    x = 142,981,588.38/18,484.38
  6. Step 6: Final answer
    x = 7,735.27

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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.