Home / 20,464.66-28,239.26-12,514.92

Finding the Fourth Proportional to 20,464.66, 28,239.26 and 12,514.92

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Solution

The fourth proportional to 20,464.66, 28,239.26 and 12,514.92 is: 17,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.66 : 28,239.26 = 12,514.92 : x
  2. Step 2: Convert to fraction form
    20,464.66/28,239.26 = 12,514.92/x
  3. Step 3: Cross multiply
    20,464.66x = 28,239.26 × 12,514.92
  4. Step 4: Simplify right side
    20,464.66x = 353,412,079.76
  5. Step 5: Solve for x
    x = 353,412,079.76/20,464.66
  6. Step 6: Final answer
    x = 17,269.38

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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.