Home / 14,042.35-21,067.46-6,145.55

Finding the Fourth Proportional to 14,042.35, 21,067.46 and 6,145.55

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Solution

The fourth proportional to 14,042.35, 21,067.46 and 6,145.55 is: 9,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.35 : 21,067.46 = 6,145.55 : x
  2. Step 2: Convert to fraction form
    14,042.35/21,067.46 = 6,145.55/x
  3. Step 3: Cross multiply
    14,042.35x = 21,067.46 × 6,145.55
  4. Step 4: Simplify right side
    14,042.35x = 129,471,098.08
  5. Step 5: Solve for x
    x = 129,471,098.08/14,042.35
  6. Step 6: Final answer
    x = 9,220.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.