Home / 18,260.91-27,395.46-5,781.68

Finding the Fourth Proportional to 18,260.91, 27,395.46 and 5,781.68

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Solution

The fourth proportional to 18,260.91, 27,395.46 and 5,781.68 is: 8,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.91 : 27,395.46 = 5,781.68 : x
  2. Step 2: Convert to fraction form
    18,260.91/27,395.46 = 5,781.68/x
  3. Step 3: Cross multiply
    18,260.91x = 27,395.46 × 5,781.68
  4. Step 4: Simplify right side
    18,260.91x = 158,391,783.17
  5. Step 5: Solve for x
    x = 158,391,783.17/18,260.91
  6. Step 6: Final answer
    x = 8,673.82

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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.