Home / 11,382.32-17,072.28-3,591.20

Finding the Fourth Proportional to 11,382.32, 17,072.28 and 3,591.20

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Solution

The fourth proportional to 11,382.32, 17,072.28 and 3,591.20 is: 5,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.32 : 17,072.28 = 3,591.20 : x
  2. Step 2: Convert to fraction form
    11,382.32/17,072.28 = 3,591.20/x
  3. Step 3: Cross multiply
    11,382.32x = 17,072.28 × 3,591.20
  4. Step 4: Simplify right side
    11,382.32x = 61,309,971.94
  5. Step 5: Solve for x
    x = 61,309,971.94/11,382.32
  6. Step 6: Final answer
    x = 5,386.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.