Home / 10,514.38-15,774.54-3,118.82

Finding the Fourth Proportional to 10,514.38, 15,774.54 and 3,118.82

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Solution

The fourth proportional to 10,514.38, 15,774.54 and 3,118.82 is: 4,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.38 : 15,774.54 = 3,118.82 : x
  2. Step 2: Convert to fraction form
    10,514.38/15,774.54 = 3,118.82/x
  3. Step 3: Cross multiply
    10,514.38x = 15,774.54 × 3,118.82
  4. Step 4: Simplify right side
    10,514.38x = 49,197,950.84
  5. Step 5: Solve for x
    x = 49,197,950.84/10,514.38
  6. Step 6: Final answer
    x = 4,679.11

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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.