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Finding the Fourth Proportional to 9,244.80, 13,867.20 and 8,880.30

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Solution

The fourth proportional to 9,244.80, 13,867.20 and 8,880.30 is: 13,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,244.80 : 13,867.20 = 8,880.30 : x
  2. Step 2: Convert to fraction form
    9,244.80/13,867.20 = 8,880.30/x
  3. Step 3: Cross multiply
    9,244.80x = 13,867.20 × 8,880.30
  4. Step 4: Simplify right side
    9,244.80x = 123,144,896.16
  5. Step 5: Solve for x
    x = 123,144,896.16/9,244.80
  6. Step 6: Final answer
    x = 13,320.45

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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.