Home / 11,948.10-17,887.10-8,377.84

Finding the Fourth Proportional to 11,948.10, 17,887.10 and 8,377.84

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Solution

The fourth proportional to 11,948.10, 17,887.10 and 8,377.84 is: 12,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.10 : 17,887.10 = 8,377.84 : x
  2. Step 2: Convert to fraction form
    11,948.10/17,887.10 = 8,377.84/x
  3. Step 3: Cross multiply
    11,948.10x = 17,887.10 × 8,377.84
  4. Step 4: Simplify right side
    11,948.10x = 149,855,262.71
  5. Step 5: Solve for x
    x = 149,855,262.71/11,948.10
  6. Step 6: Final answer
    x = 12,542.18

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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.