Home / 14,414.04-19,891.11-8,126.42

Finding the Fourth Proportional to 14,414.04, 19,891.11 and 8,126.42

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Solution

The fourth proportional to 14,414.04, 19,891.11 and 8,126.42 is: 11,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414.04 : 19,891.11 = 8,126.42 : x
  2. Step 2: Convert to fraction form
    14,414.04/19,891.11 = 8,126.42/x
  3. Step 3: Cross multiply
    14,414.04x = 19,891.11 × 8,126.42
  4. Step 4: Simplify right side
    14,414.04x = 161,643,514.13
  5. Step 5: Solve for x
    x = 161,643,514.13/14,414.04
  6. Step 6: Final answer
    x = 11,214.31

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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.