Home / 12,230.30-18,348.50-3,465.29

Finding the Fourth Proportional to 12,230.30, 18,348.50 and 3,465.29

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Solution

The fourth proportional to 12,230.30, 18,348.50 and 3,465.29 is: 5,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.30 : 18,348.50 = 3,465.29 : x
  2. Step 2: Convert to fraction form
    12,230.30/18,348.50 = 3,465.29/x
  3. Step 3: Cross multiply
    12,230.30x = 18,348.50 × 3,465.29
  4. Step 4: Simplify right side
    12,230.30x = 63,582,902.11
  5. Step 5: Solve for x
    x = 63,582,902.11/12,230.30
  6. Step 6: Final answer
    x = 5,198.80

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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.