Home / 15,220.12-22,830.18-9,959.55

Finding the Fourth Proportional to 15,220.12, 22,830.18 and 9,959.55

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Solution

The fourth proportional to 15,220.12, 22,830.18 and 9,959.55 is: 14,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220.12 : 22,830.18 = 9,959.55 : x
  2. Step 2: Convert to fraction form
    15,220.12/22,830.18 = 9,959.55/x
  3. Step 3: Cross multiply
    15,220.12x = 22,830.18 × 9,959.55
  4. Step 4: Simplify right side
    15,220.12x = 227,378,442.18
  5. Step 5: Solve for x
    x = 227,378,442.18/15,220.12
  6. Step 6: Final answer
    x = 14,939.34

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Similar ratio
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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.