Home / 12,209.18-18,294.93-8,244.90

Finding the Fourth Proportional to 12,209.18, 18,294.93 and 8,244.90

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Solution

The fourth proportional to 12,209.18, 18,294.93 and 8,244.90 is: 12,354.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.18 : 18,294.93 = 8,244.90 : x
  2. Step 2: Convert to fraction form
    12,209.18/18,294.93 = 8,244.90/x
  3. Step 3: Cross multiply
    12,209.18x = 18,294.93 × 8,244.90
  4. Step 4: Simplify right side
    12,209.18x = 150,839,868.36
  5. Step 5: Solve for x
    x = 150,839,868.36/12,209.18
  6. Step 6: Final answer
    x = 12,354.63

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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.