Home / 12,550.20-18,824.28-4,230.03

Finding the Fourth Proportional to 12,550.20, 18,824.28 and 4,230.03

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Solution

The fourth proportional to 12,550.20, 18,824.28 and 4,230.03 is: 6,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.20 : 18,824.28 = 4,230.03 : x
  2. Step 2: Convert to fraction form
    12,550.20/18,824.28 = 4,230.03/x
  3. Step 3: Cross multiply
    12,550.20x = 18,824.28 × 4,230.03
  4. Step 4: Simplify right side
    12,550.20x = 79,627,269.13
  5. Step 5: Solve for x
    x = 79,627,269.13/12,550.20
  6. Step 6: Final answer
    x = 6,344.70

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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.