Home / 18,244.12-27,370.42-5,765.40

Finding the Fourth Proportional to 18,244.12, 27,370.42 and 5,765.40

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Solution

The fourth proportional to 18,244.12, 27,370.42 and 5,765.40 is: 8,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.12 : 27,370.42 = 5,765.40 : x
  2. Step 2: Convert to fraction form
    18,244.12/27,370.42 = 5,765.40/x
  3. Step 3: Cross multiply
    18,244.12x = 27,370.42 × 5,765.40
  4. Step 4: Simplify right side
    18,244.12x = 157,801,419.47
  5. Step 5: Solve for x
    x = 157,801,419.47/18,244.12
  6. Step 6: Final answer
    x = 8,649.44

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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.