Home / 12,074.92-18,113.70-3,752.96

Finding the Fourth Proportional to 12,074.92, 18,113.70 and 3,752.96

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Solution

The fourth proportional to 12,074.92, 18,113.70 and 3,752.96 is: 5,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.92 : 18,113.70 = 3,752.96 : x
  2. Step 2: Convert to fraction form
    12,074.92/18,113.70 = 3,752.96/x
  3. Step 3: Cross multiply
    12,074.92x = 18,113.70 × 3,752.96
  4. Step 4: Simplify right side
    12,074.92x = 67,979,991.55
  5. Step 5: Solve for x
    x = 67,979,991.55/12,074.92
  6. Step 6: Final answer
    x = 5,629.85

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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.