Home / 15,443.20-23,189.10-8,882.20

Finding the Fourth Proportional to 15,443.20, 23,189.10 and 8,882.20

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Solution

The fourth proportional to 15,443.20, 23,189.10 and 8,882.20 is: 13,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443.20 : 23,189.10 = 8,882.20 : x
  2. Step 2: Convert to fraction form
    15,443.20/23,189.10 = 8,882.20/x
  3. Step 3: Cross multiply
    15,443.20x = 23,189.10 × 8,882.20
  4. Step 4: Simplify right side
    15,443.20x = 205,970,224.02
  5. Step 5: Solve for x
    x = 205,970,224.02/15,443.20
  6. Step 6: Final answer
    x = 13,337.28

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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.