Home / 13,010.92-19,514.17-3,648.79

Finding the Fourth Proportional to 13,010.92, 19,514.17 and 3,648.79

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Solution

The fourth proportional to 13,010.92, 19,514.17 and 3,648.79 is: 5,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.92 : 19,514.17 = 3,648.79 : x
  2. Step 2: Convert to fraction form
    13,010.92/19,514.17 = 3,648.79/x
  3. Step 3: Cross multiply
    13,010.92x = 19,514.17 × 3,648.79
  4. Step 4: Simplify right side
    13,010.92x = 71,203,108.35
  5. Step 5: Solve for x
    x = 71,203,108.35/13,010.92
  6. Step 6: Final answer
    x = 5,472.57

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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.