Home / 22,338.87-30,826.43-12,268.63

Finding the Fourth Proportional to 22,338.87, 30,826.43 and 12,268.63

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Solution

The fourth proportional to 22,338.87, 30,826.43 and 12,268.63 is: 16,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,338.87 : 30,826.43 = 12,268.63 : x
  2. Step 2: Convert to fraction form
    22,338.87/30,826.43 = 12,268.63/x
  3. Step 3: Cross multiply
    22,338.87x = 30,826.43 × 12,268.63
  4. Step 4: Simplify right side
    22,338.87x = 378,198,002.55
  5. Step 5: Solve for x
    x = 378,198,002.55/22,338.87
  6. Step 6: Final answer
    x = 16,930.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.