Home / 12,202.79-18,304.18-3,436.56

Finding the Fourth Proportional to 12,202.79, 18,304.18 and 3,436.56

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Solution

The fourth proportional to 12,202.79, 18,304.18 and 3,436.56 is: 5,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.79 : 18,304.18 = 3,436.56 : x
  2. Step 2: Convert to fraction form
    12,202.79/18,304.18 = 3,436.56/x
  3. Step 3: Cross multiply
    12,202.79x = 18,304.18 × 3,436.56
  4. Step 4: Simplify right side
    12,202.79x = 62,903,404.23
  5. Step 5: Solve for x
    x = 62,903,404.23/12,202.79
  6. Step 6: Final answer
    x = 5,154.84

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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.