Home / 11,382.03-15,706.43-7,132.97

Finding the Fourth Proportional to 11,382.03, 15,706.43 and 7,132.97

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Solution

The fourth proportional to 11,382.03, 15,706.43 and 7,132.97 is: 9,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.03 : 15,706.43 = 7,132.97 : x
  2. Step 2: Convert to fraction form
    11,382.03/15,706.43 = 7,132.97/x
  3. Step 3: Cross multiply
    11,382.03x = 15,706.43 × 7,132.97
  4. Step 4: Simplify right side
    11,382.03x = 112,033,494.00
  5. Step 5: Solve for x
    x = 112,033,494.00/11,382.03
  6. Step 6: Final answer
    x = 9,843.02

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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.