Home / 18,514.60-25,550.17-10,556.89

Finding the Fourth Proportional to 18,514.60, 25,550.17 and 10,556.89

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Solution

The fourth proportional to 18,514.60, 25,550.17 and 10,556.89 is: 14,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.60 : 25,550.17 = 10,556.89 : x
  2. Step 2: Convert to fraction form
    18,514.60/25,550.17 = 10,556.89/x
  3. Step 3: Cross multiply
    18,514.60x = 25,550.17 × 10,556.89
  4. Step 4: Simplify right side
    18,514.60x = 269,730,243.90
  5. Step 5: Solve for x
    x = 269,730,243.90/18,514.60
  6. Step 6: Final answer
    x = 14,568.52

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1.5x scale

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.