Home / 18,318.74-27,521.85-11,757.74

Finding the Fourth Proportional to 18,318.74, 27,521.85 and 11,757.74

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Solution

The fourth proportional to 18,318.74, 27,521.85 and 11,757.74 is: 17,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.74 : 27,521.85 = 11,757.74 : x
  2. Step 2: Convert to fraction form
    18,318.74/27,521.85 = 11,757.74/x
  3. Step 3: Cross multiply
    18,318.74x = 27,521.85 × 11,757.74
  4. Step 4: Simplify right side
    18,318.74x = 323,594,619.01
  5. Step 5: Solve for x
    x = 323,594,619.01/18,318.74
  6. Step 6: Final answer
    x = 17,664.68

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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.