Home / 12,230.87-18,343.37-5,650.74

Finding the Fourth Proportional to 12,230.87, 18,343.37 and 5,650.74

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Solution

The fourth proportional to 12,230.87, 18,343.37 and 5,650.74 is: 8,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.87 : 18,343.37 = 5,650.74 : x
  2. Step 2: Convert to fraction form
    12,230.87/18,343.37 = 5,650.74/x
  3. Step 3: Cross multiply
    12,230.87x = 18,343.37 × 5,650.74
  4. Step 4: Simplify right side
    12,230.87x = 103,653,628.72
  5. Step 5: Solve for x
    x = 103,653,628.72/12,230.87
  6. Step 6: Final answer
    x = 8,474.75

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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.