Home / 12,514.25-18,816.38-11,538.98

Finding the Fourth Proportional to 12,514.25, 18,816.38 and 11,538.98

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Solution

The fourth proportional to 12,514.25, 18,816.38 and 11,538.98 is: 17,349.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.25 : 18,816.38 = 11,538.98 : x
  2. Step 2: Convert to fraction form
    12,514.25/18,816.38 = 11,538.98/x
  3. Step 3: Cross multiply
    12,514.25x = 18,816.38 × 11,538.98
  4. Step 4: Simplify right side
    12,514.25x = 217,121,815.02
  5. Step 5: Solve for x
    x = 217,121,815.02/12,514.25
  6. Step 6: Final answer
    x = 17,349.97

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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.