Home / 14,042.25-19,380.78-8,377.35

Finding the Fourth Proportional to 14,042.25, 19,380.78 and 8,377.35

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Solution

The fourth proportional to 14,042.25, 19,380.78 and 8,377.35 is: 11,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.25 : 19,380.78 = 8,377.35 : x
  2. Step 2: Convert to fraction form
    14,042.25/19,380.78 = 8,377.35/x
  3. Step 3: Cross multiply
    14,042.25x = 19,380.78 × 8,377.35
  4. Step 4: Simplify right side
    14,042.25x = 162,359,577.33
  5. Step 5: Solve for x
    x = 162,359,577.33/14,042.25
  6. Step 6: Final answer
    x = 11,562.22

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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.