Home / 12,514.65-18,793.44-11,112.24

Finding the Fourth Proportional to 12,514.65, 18,793.44 and 11,112.24

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Solution

The fourth proportional to 12,514.65, 18,793.44 and 11,112.24 is: 16,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.65 : 18,793.44 = 11,112.24 : x
  2. Step 2: Convert to fraction form
    12,514.65/18,793.44 = 11,112.24/x
  3. Step 3: Cross multiply
    12,514.65x = 18,793.44 × 11,112.24
  4. Step 4: Simplify right side
    12,514.65x = 208,837,215.71
  5. Step 5: Solve for x
    x = 208,837,215.71/12,514.65
  6. Step 6: Final answer
    x = 16,687.42

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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.