Home / 20,167.56-30,251.40-7,016.79

Finding the Fourth Proportional to 20,167.56, 30,251.40 and 7,016.79

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Solution

The fourth proportional to 20,167.56, 30,251.40 and 7,016.79 is: 10,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.56 : 30,251.40 = 7,016.79 : x
  2. Step 2: Convert to fraction form
    20,167.56/30,251.40 = 7,016.79/x
  3. Step 3: Cross multiply
    20,167.56x = 30,251.40 × 7,016.79
  4. Step 4: Simplify right side
    20,167.56x = 212,267,721.01
  5. Step 5: Solve for x
    x = 212,267,721.01/20,167.56
  6. Step 6: Final answer
    x = 10,525.21

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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.