Home / 18,229.61-27,345.95-5,081.99

Finding the Fourth Proportional to 18,229.61, 27,345.95 and 5,081.99

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Solution

The fourth proportional to 18,229.61, 27,345.95 and 5,081.99 is: 7,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.61 : 27,345.95 = 5,081.99 : x
  2. Step 2: Convert to fraction form
    18,229.61/27,345.95 = 5,081.99/x
  3. Step 3: Cross multiply
    18,229.61x = 27,345.95 × 5,081.99
  4. Step 4: Simplify right side
    18,229.61x = 138,971,883.77
  5. Step 5: Solve for x
    x = 138,971,883.77/18,229.61
  6. Step 6: Final answer
    x = 7,623.42

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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.