Home / 14,964.09-20,649.17-8,590.54

Finding the Fourth Proportional to 14,964.09, 20,649.17 and 8,590.54

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Solution

The fourth proportional to 14,964.09, 20,649.17 and 8,590.54 is: 11,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.09 : 20,649.17 = 8,590.54 : x
  2. Step 2: Convert to fraction form
    14,964.09/20,649.17 = 8,590.54/x
  3. Step 3: Cross multiply
    14,964.09x = 20,649.17 × 8,590.54
  4. Step 4: Simplify right side
    14,964.09x = 177,387,520.85
  5. Step 5: Solve for x
    x = 177,387,520.85/14,964.09
  6. Step 6: Final answer
    x = 11,854.21

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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.