Home / 14,042.88-19,378.18-8,074.52

Finding the Fourth Proportional to 14,042.88, 19,378.18 and 8,074.52

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Solution

The fourth proportional to 14,042.88, 19,378.18 and 8,074.52 is: 11,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.88 : 19,378.18 = 8,074.52 : x
  2. Step 2: Convert to fraction form
    14,042.88/19,378.18 = 8,074.52/x
  3. Step 3: Cross multiply
    14,042.88x = 19,378.18 × 8,074.52
  4. Step 4: Simplify right side
    14,042.88x = 156,469,501.97
  5. Step 5: Solve for x
    x = 156,469,501.97/14,042.88
  6. Step 6: Final answer
    x = 11,142.27

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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.