Home / 12,367.57-18,544.42-5,343.20

Finding the Fourth Proportional to 12,367.57, 18,544.42 and 5,343.20

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Solution

The fourth proportional to 12,367.57, 18,544.42 and 5,343.20 is: 8,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.57 : 18,544.42 = 5,343.20 : x
  2. Step 2: Convert to fraction form
    12,367.57/18,544.42 = 5,343.20/x
  3. Step 3: Cross multiply
    12,367.57x = 18,544.42 × 5,343.20
  4. Step 4: Simplify right side
    12,367.57x = 99,086,544.94
  5. Step 5: Solve for x
    x = 99,086,544.94/12,367.57
  6. Step 6: Final answer
    x = 8,011.80

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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.