Home / 20,072.42-30,067.72-9,510.43

Finding the Fourth Proportional to 20,072.42, 30,067.72 and 9,510.43

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Solution

The fourth proportional to 20,072.42, 30,067.72 and 9,510.43 is: 14,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.42 : 30,067.72 = 9,510.43 : x
  2. Step 2: Convert to fraction form
    20,072.42/30,067.72 = 9,510.43/x
  3. Step 3: Cross multiply
    20,072.42x = 30,067.72 × 9,510.43
  4. Step 4: Simplify right side
    20,072.42x = 285,956,957.25
  5. Step 5: Solve for x
    x = 285,956,957.25/20,072.42
  6. Step 6: Final answer
    x = 14,246.26

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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.