Home / 11,821.17-17,734.82-4,426.17

Finding the Fourth Proportional to 11,821.17, 17,734.82 and 4,426.17

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Solution

The fourth proportional to 11,821.17, 17,734.82 and 4,426.17 is: 6,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.17 : 17,734.82 = 4,426.17 : x
  2. Step 2: Convert to fraction form
    11,821.17/17,734.82 = 4,426.17/x
  3. Step 3: Cross multiply
    11,821.17x = 17,734.82 × 4,426.17
  4. Step 4: Simplify right side
    11,821.17x = 78,497,306.11
  5. Step 5: Solve for x
    x = 78,497,306.11/11,821.17
  6. Step 6: Final answer
    x = 6,640.40

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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.