Home / 18,358.28-27,521.82-7,272.77

Finding the Fourth Proportional to 18,358.28, 27,521.82 and 7,272.77

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Solution

The fourth proportional to 18,358.28, 27,521.82 and 7,272.77 is: 10,902.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.28 : 27,521.82 = 7,272.77 : x
  2. Step 2: Convert to fraction form
    18,358.28/27,521.82 = 7,272.77/x
  3. Step 3: Cross multiply
    18,358.28x = 27,521.82 × 7,272.77
  4. Step 4: Simplify right side
    18,358.28x = 200,159,866.84
  5. Step 5: Solve for x
    x = 200,159,866.84/18,358.28
  6. Step 6: Final answer
    x = 10,902.97

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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.