Home / 15,469.20-23,228.10-8,908.20

Finding the Fourth Proportional to 15,469.20, 23,228.10 and 8,908.20

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Solution

The fourth proportional to 15,469.20, 23,228.10 and 8,908.20 is: 13,376.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469.20 : 23,228.10 = 8,908.20 : x
  2. Step 2: Convert to fraction form
    15,469.20/23,228.10 = 8,908.20/x
  3. Step 3: Cross multiply
    15,469.20x = 23,228.10 × 8,908.20
  4. Step 4: Simplify right side
    15,469.20x = 206,920,560.42
  5. Step 5: Solve for x
    x = 206,920,560.42/15,469.20
  6. Step 6: Final answer
    x = 13,376.29

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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.