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Finding the Fourth Proportional to 9,200.30, 13,800.45 and 8,797.10

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Solution

The fourth proportional to 9,200.30, 13,800.45 and 8,797.10 is: 13,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.30 : 13,800.45 = 8,797.10 : x
  2. Step 2: Convert to fraction form
    9,200.30/13,800.45 = 8,797.10/x
  3. Step 3: Cross multiply
    9,200.30x = 13,800.45 × 8,797.10
  4. Step 4: Simplify right side
    9,200.30x = 121,403,938.70
  5. Step 5: Solve for x
    x = 121,403,938.70/9,200.30
  6. Step 6: Final answer
    x = 13,195.65

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Half scale
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Double scale
Find fourth proportional to 9,201.30, 13,801.95 and 8,798.10
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.