Home / 14,866.33-20,514.98-8,151.80

Finding the Fourth Proportional to 14,866.33, 20,514.98 and 8,151.80

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Solution

The fourth proportional to 14,866.33, 20,514.98 and 8,151.80 is: 11,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,866.33 : 20,514.98 = 8,151.80 : x
  2. Step 2: Convert to fraction form
    14,866.33/20,514.98 = 8,151.80/x
  3. Step 3: Cross multiply
    14,866.33x = 20,514.98 × 8,151.80
  4. Step 4: Simplify right side
    14,866.33x = 167,234,013.96
  5. Step 5: Solve for x
    x = 167,234,013.96/14,866.33
  6. Step 6: Final answer
    x = 11,249.18

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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.