Home / 14,042.20-19,379.76-8,074.92

Finding the Fourth Proportional to 14,042.20, 19,379.76 and 8,074.92

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Solution

The fourth proportional to 14,042.20, 19,379.76 and 8,074.92 is: 11,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.20 : 19,379.76 = 8,074.92 : x
  2. Step 2: Convert to fraction form
    14,042.20/19,379.76 = 8,074.92/x
  3. Step 3: Cross multiply
    14,042.20x = 19,379.76 × 8,074.92
  4. Step 4: Simplify right side
    14,042.20x = 156,490,011.62
  5. Step 5: Solve for x
    x = 156,490,011.62/14,042.20
  6. Step 6: Final answer
    x = 11,144.27

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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.