Home / 15,229.80-22,844.70-5,380.20

Finding the Fourth Proportional to 15,229.80, 22,844.70 and 5,380.20

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Solution

The fourth proportional to 15,229.80, 22,844.70 and 5,380.20 is: 8,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229.80 : 22,844.70 = 5,380.20 : x
  2. Step 2: Convert to fraction form
    15,229.80/22,844.70 = 5,380.20/x
  3. Step 3: Cross multiply
    15,229.80x = 22,844.70 × 5,380.20
  4. Step 4: Simplify right side
    15,229.80x = 122,909,054.94
  5. Step 5: Solve for x
    x = 122,909,054.94/15,229.80
  6. Step 6: Final answer
    x = 8,070.30

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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.