Home / 18,331.64-27,454.04-11,644.22

Finding the Fourth Proportional to 18,331.64, 27,454.04 and 11,644.22

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Solution

The fourth proportional to 18,331.64, 27,454.04 and 11,644.22 is: 17,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.64 : 27,454.04 = 11,644.22 : x
  2. Step 2: Convert to fraction form
    18,331.64/27,454.04 = 11,644.22/x
  3. Step 3: Cross multiply
    18,331.64x = 27,454.04 × 11,644.22
  4. Step 4: Simplify right side
    18,331.64x = 319,680,881.65
  5. Step 5: Solve for x
    x = 319,680,881.65/18,331.64
  6. Step 6: Final answer
    x = 17,438.75

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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.