Home / 11,290.39-16,934.22-2,971.04

Finding the Fourth Proportional to 11,290.39, 16,934.22 and 2,971.04

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Solution

The fourth proportional to 11,290.39, 16,934.22 and 2,971.04 is: 4,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.39 : 16,934.22 = 2,971.04 : x
  2. Step 2: Convert to fraction form
    11,290.39/16,934.22 = 2,971.04/x
  3. Step 3: Cross multiply
    11,290.39x = 16,934.22 × 2,971.04
  4. Step 4: Simplify right side
    11,290.39x = 50,312,160.32
  5. Step 5: Solve for x
    x = 50,312,160.32/11,290.39
  6. Step 6: Final answer
    x = 4,456.19

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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.