Home / 20,212.80-30,306.50-6,168.17

Finding the Fourth Proportional to 20,212.80, 30,306.50 and 6,168.17

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Solution

The fourth proportional to 20,212.80, 30,306.50 and 6,168.17 is: 9,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.80 : 30,306.50 = 6,168.17 : x
  2. Step 2: Convert to fraction form
    20,212.80/30,306.50 = 6,168.17/x
  3. Step 3: Cross multiply
    20,212.80x = 30,306.50 × 6,168.17
  4. Step 4: Simplify right side
    20,212.80x = 186,935,461.73
  5. Step 5: Solve for x
    x = 186,935,461.73/20,212.80
  6. Step 6: Final answer
    x = 9,248.37

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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.