Home / 12,200.06-18,304.48-4,800.42

Finding the Fourth Proportional to 12,200.06, 18,304.48 and 4,800.42

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Solution

The fourth proportional to 12,200.06, 18,304.48 and 4,800.42 is: 7,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.06 : 18,304.48 = 4,800.42 : x
  2. Step 2: Convert to fraction form
    12,200.06/18,304.48 = 4,800.42/x
  3. Step 3: Cross multiply
    12,200.06x = 18,304.48 × 4,800.42
  4. Step 4: Simplify right side
    12,200.06x = 87,869,191.88
  5. Step 5: Solve for x
    x = 87,869,191.88/12,200.06
  6. Step 6: Final answer
    x = 7,202.36

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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.