Home / 9,099.27-12,555.84-5,321.69

Finding the Fourth Proportional to 9,099.27, 12,555.84 and 5,321.69

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Solution

The fourth proportional to 9,099.27, 12,555.84 and 5,321.69 is: 7,343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.27 : 12,555.84 = 5,321.69 : x
  2. Step 2: Convert to fraction form
    9,099.27/12,555.84 = 5,321.69/x
  3. Step 3: Cross multiply
    9,099.27x = 12,555.84 × 5,321.69
  4. Step 4: Simplify right side
    9,099.27x = 66,818,292.43
  5. Step 5: Solve for x
    x = 66,818,292.43/9,099.27
  6. Step 6: Final answer
    x = 7,343.26

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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.