Home / 9,517.92-13,135.56-6,325.62

Finding the Fourth Proportional to 9,517.92, 13,135.56 and 6,325.62

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Solution

The fourth proportional to 9,517.92, 13,135.56 and 6,325.62 is: 8,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.92 : 13,135.56 = 6,325.62 : x
  2. Step 2: Convert to fraction form
    9,517.92/13,135.56 = 6,325.62/x
  3. Step 3: Cross multiply
    9,517.92x = 13,135.56 × 6,325.62
  4. Step 4: Simplify right side
    9,517.92x = 83,090,561.05
  5. Step 5: Solve for x
    x = 83,090,561.05/9,517.92
  6. Step 6: Final answer
    x = 8,729.91

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Half scale
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Double scale
Find fourth proportional to 9,518.92, 13,136.94 and 6,326.62
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.