Home / 12,244.20-18,364.05-5,579.16

Finding the Fourth Proportional to 12,244.20, 18,364.05 and 5,579.16

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Solution

The fourth proportional to 12,244.20, 18,364.05 and 5,579.16 is: 8,367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.20 : 18,364.05 = 5,579.16 : x
  2. Step 2: Convert to fraction form
    12,244.20/18,364.05 = 5,579.16/x
  3. Step 3: Cross multiply
    12,244.20x = 18,364.05 × 5,579.16
  4. Step 4: Simplify right side
    12,244.20x = 102,455,973.20
  5. Step 5: Solve for x
    x = 102,455,973.20/12,244.20
  6. Step 6: Final answer
    x = 8,367.71

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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.