Home / 18,514.80-25,550.31-10,016.90

Finding the Fourth Proportional to 18,514.80, 25,550.31 and 10,016.90

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Solution

The fourth proportional to 18,514.80, 25,550.31 and 10,016.90 is: 13,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.80 : 25,550.31 = 10,016.90 : x
  2. Step 2: Convert to fraction form
    18,514.80/25,550.31 = 10,016.90/x
  3. Step 3: Cross multiply
    18,514.80x = 25,550.31 × 10,016.90
  4. Step 4: Simplify right side
    18,514.80x = 255,934,772.49
  5. Step 5: Solve for x
    x = 255,934,772.49/18,514.80
  6. Step 6: Final answer
    x = 13,823.25

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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.