Home / 18,387.33-27,546.30-10,868.45

Finding the Fourth Proportional to 18,387.33, 27,546.30 and 10,868.45

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Solution

The fourth proportional to 18,387.33, 27,546.30 and 10,868.45 is: 16,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387.33 : 27,546.30 = 10,868.45 : x
  2. Step 2: Convert to fraction form
    18,387.33/27,546.30 = 10,868.45/x
  3. Step 3: Cross multiply
    18,387.33x = 27,546.30 × 10,868.45
  4. Step 4: Simplify right side
    18,387.33x = 299,385,446.50
  5. Step 5: Solve for x
    x = 299,385,446.50/18,387.33
  6. Step 6: Final answer
    x = 16,282.16

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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.