Home / 12,304.20-18,452.70-4,405.80

Finding the Fourth Proportional to 12,304.20, 18,452.70 and 4,405.80

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Solution

The fourth proportional to 12,304.20, 18,452.70 and 4,405.80 is: 6,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.20 : 18,452.70 = 4,405.80 : x
  2. Step 2: Convert to fraction form
    12,304.20/18,452.70 = 4,405.80/x
  3. Step 3: Cross multiply
    12,304.20x = 18,452.70 × 4,405.80
  4. Step 4: Simplify right side
    12,304.20x = 81,298,905.66
  5. Step 5: Solve for x
    x = 81,298,905.66/12,304.20
  6. Step 6: Final answer
    x = 6,607.41

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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.