Home / 11,352.70-15,665.78-6,316.92

Finding the Fourth Proportional to 11,352.70, 15,665.78 and 6,316.92

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Solution

The fourth proportional to 11,352.70, 15,665.78 and 6,316.92 is: 8,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.70 : 15,665.78 = 6,316.92 : x
  2. Step 2: Convert to fraction form
    11,352.70/15,665.78 = 6,316.92/x
  3. Step 3: Cross multiply
    11,352.70x = 15,665.78 × 6,316.92
  4. Step 4: Simplify right side
    11,352.70x = 98,959,479.00
  5. Step 5: Solve for x
    x = 98,959,479.00/11,352.70
  6. Step 6: Final answer
    x = 8,716.82

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Half scale
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Double scale
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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.