Home / 11,112.92-15,330.05-8,084.63

Finding the Fourth Proportional to 11,112.92, 15,330.05 and 8,084.63

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Solution

The fourth proportional to 11,112.92, 15,330.05 and 8,084.63 is: 11,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.92 : 15,330.05 = 8,084.63 : x
  2. Step 2: Convert to fraction form
    11,112.92/15,330.05 = 8,084.63/x
  3. Step 3: Cross multiply
    11,112.92x = 15,330.05 × 8,084.63
  4. Step 4: Simplify right side
    11,112.92x = 123,937,665.06
  5. Step 5: Solve for x
    x = 123,937,665.06/11,112.92
  6. Step 6: Final answer
    x = 11,152.58

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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.