Home / 18,272.33-27,398.01-5,618.79

Finding the Fourth Proportional to 18,272.33, 27,398.01 and 5,618.79

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Solution

The fourth proportional to 18,272.33, 27,398.01 and 5,618.79 is: 8,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.33 : 27,398.01 = 5,618.79 : x
  2. Step 2: Convert to fraction form
    18,272.33/27,398.01 = 5,618.79/x
  3. Step 3: Cross multiply
    18,272.33x = 27,398.01 × 5,618.79
  4. Step 4: Simplify right side
    18,272.33x = 153,943,664.61
  5. Step 5: Solve for x
    x = 153,943,664.61/18,272.33
  6. Step 6: Final answer
    x = 8,424.96

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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.