Home / 18,244.43-27,370.75-5,765.21

Finding the Fourth Proportional to 18,244.43, 27,370.75 and 5,765.21

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Solution

The fourth proportional to 18,244.43, 27,370.75 and 5,765.21 is: 8,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.43 : 27,370.75 = 5,765.21 : x
  2. Step 2: Convert to fraction form
    18,244.43/27,370.75 = 5,765.21/x
  3. Step 3: Cross multiply
    18,244.43x = 27,370.75 × 5,765.21
  4. Step 4: Simplify right side
    18,244.43x = 157,797,970.34
  5. Step 5: Solve for x
    x = 157,797,970.34/18,244.43
  6. Step 6: Final answer
    x = 8,649.10

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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.