Home / 10,581.13-15,872.88-4,340.89

Finding the Fourth Proportional to 10,581.13, 15,872.88 and 4,340.89

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Solution

The fourth proportional to 10,581.13, 15,872.88 and 4,340.89 is: 6,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.13 : 15,872.88 = 4,340.89 : x
  2. Step 2: Convert to fraction form
    10,581.13/15,872.88 = 4,340.89/x
  3. Step 3: Cross multiply
    10,581.13x = 15,872.88 × 4,340.89
  4. Step 4: Simplify right side
    10,581.13x = 68,902,426.06
  5. Step 5: Solve for x
    x = 68,902,426.06/10,581.13
  6. Step 6: Final answer
    x = 6,511.82

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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.