Home / 12,366.20-18,524.10-7,671.80

Finding the Fourth Proportional to 12,366.20, 18,524.10 and 7,671.80

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Solution

The fourth proportional to 12,366.20, 18,524.10 and 7,671.80 is: 11,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.20 : 18,524.10 = 7,671.80 : x
  2. Step 2: Convert to fraction form
    12,366.20/18,524.10 = 7,671.80/x
  3. Step 3: Cross multiply
    12,366.20x = 18,524.10 × 7,671.80
  4. Step 4: Simplify right side
    12,366.20x = 142,113,190.38
  5. Step 5: Solve for x
    x = 142,113,190.38/12,366.20
  6. Step 6: Final answer
    x = 11,492.07

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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.