Home / 18,216.41-27,320.97-5,065.25

Finding the Fourth Proportional to 18,216.41, 27,320.97 and 5,065.25

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Solution

The fourth proportional to 18,216.41, 27,320.97 and 5,065.25 is: 7,596.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.41 : 27,320.97 = 5,065.25 : x
  2. Step 2: Convert to fraction form
    18,216.41/27,320.97 = 5,065.25/x
  3. Step 3: Cross multiply
    18,216.41x = 27,320.97 × 5,065.25
  4. Step 4: Simplify right side
    18,216.41x = 138,387,490.15
  5. Step 5: Solve for x
    x = 138,387,490.15/18,216.41
  6. Step 6: Final answer
    x = 7,596.86

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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.