Home / 15,980.04-22,052.56-8,906.92

Finding the Fourth Proportional to 15,980.04, 22,052.56 and 8,906.92

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Solution

The fourth proportional to 15,980.04, 22,052.56 and 8,906.92 is: 12,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.04 : 22,052.56 = 8,906.92 : x
  2. Step 2: Convert to fraction form
    15,980.04/22,052.56 = 8,906.92/x
  3. Step 3: Cross multiply
    15,980.04x = 22,052.56 × 8,906.92
  4. Step 4: Simplify right side
    15,980.04x = 196,420,310.32
  5. Step 5: Solve for x
    x = 196,420,310.32/15,980.04
  6. Step 6: Final answer
    x = 12,291.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.