Home / 18,260.50-27,387.99-5,778.89

Finding the Fourth Proportional to 18,260.50, 27,387.99 and 5,778.89

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Solution

The fourth proportional to 18,260.50, 27,387.99 and 5,778.89 is: 8,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.50 : 27,387.99 = 5,778.89 : x
  2. Step 2: Convert to fraction form
    18,260.50/27,387.99 = 5,778.89/x
  3. Step 3: Cross multiply
    18,260.50x = 27,387.99 × 5,778.89
  4. Step 4: Simplify right side
    18,260.50x = 158,272,325.73
  5. Step 5: Solve for x
    x = 158,272,325.73/18,260.50
  6. Step 6: Final answer
    x = 8,667.47

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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.