Home / 13,514.65-18,650.05-7,850.52

Finding the Fourth Proportional to 13,514.65, 18,650.05 and 7,850.52

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Solution

The fourth proportional to 13,514.65, 18,650.05 and 7,850.52 is: 10,833.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.65 : 18,650.05 = 7,850.52 : x
  2. Step 2: Convert to fraction form
    13,514.65/18,650.05 = 7,850.52/x
  3. Step 3: Cross multiply
    13,514.65x = 18,650.05 × 7,850.52
  4. Step 4: Simplify right side
    13,514.65x = 146,412,570.90
  5. Step 5: Solve for x
    x = 146,412,570.90/13,514.65
  6. Step 6: Final answer
    x = 10,833.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.