Home / 14,514.46-20,029.48-8,141.28

Finding the Fourth Proportional to 14,514.46, 20,029.48 and 8,141.28

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Solution

The fourth proportional to 14,514.46, 20,029.48 and 8,141.28 is: 11,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.46 : 20,029.48 = 8,141.28 : x
  2. Step 2: Convert to fraction form
    14,514.46/20,029.48 = 8,141.28/x
  3. Step 3: Cross multiply
    14,514.46x = 20,029.48 × 8,141.28
  4. Step 4: Simplify right side
    14,514.46x = 163,065,604.93
  5. Step 5: Solve for x
    x = 163,065,604.93/14,514.46
  6. Step 6: Final answer
    x = 11,234.70

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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.