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Finding the Fourth Proportional to 15,305.95, 22,958.88 and 5,445.62

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Solution

The fourth proportional to 15,305.95, 22,958.88 and 5,445.62 is: 8,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305.95 : 22,958.88 = 5,445.62 : x
  2. Step 2: Convert to fraction form
    15,305.95/22,958.88 = 5,445.62/x
  3. Step 3: Cross multiply
    15,305.95x = 22,958.88 × 5,445.62
  4. Step 4: Simplify right side
    15,305.95x = 125,025,336.11
  5. Step 5: Solve for x
    x = 125,025,336.11/15,305.95
  6. Step 6: Final answer
    x = 8,168.41

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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.