Home / 9,600.80-13,236.28-7,200.56

Finding the Fourth Proportional to 9,600.80, 13,236.28 and 7,200.56

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Solution

The fourth proportional to 9,600.80, 13,236.28 and 7,200.56 is: 9,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,600.80 : 13,236.28 = 7,200.56 : x
  2. Step 2: Convert to fraction form
    9,600.80/13,236.28 = 7,200.56/x
  3. Step 3: Cross multiply
    9,600.80x = 13,236.28 × 7,200.56
  4. Step 4: Simplify right side
    9,600.80x = 95,308,643.41
  5. Step 5: Solve for x
    x = 95,308,643.41/9,600.80
  6. Step 6: Final answer
    x = 9,927.16

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Half scale
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Double scale
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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.