Home / 14,144.85-19,517.71-8,175.36

Finding the Fourth Proportional to 14,144.85, 19,517.71 and 8,175.36

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Solution

The fourth proportional to 14,144.85, 19,517.71 and 8,175.36 is: 11,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.85 : 19,517.71 = 8,175.36 : x
  2. Step 2: Convert to fraction form
    14,144.85/19,517.71 = 8,175.36/x
  3. Step 3: Cross multiply
    14,144.85x = 19,517.71 × 8,175.36
  4. Step 4: Simplify right side
    14,144.85x = 159,564,264.75
  5. Step 5: Solve for x
    x = 159,564,264.75/14,144.85
  6. Step 6: Final answer
    x = 11,280.73

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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.