Home / 12,337.39-18,505.92-2,977.33

Finding the Fourth Proportional to 12,337.39, 18,505.92 and 2,977.33

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Solution

The fourth proportional to 12,337.39, 18,505.92 and 2,977.33 is: 4,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,337.39 : 18,505.92 = 2,977.33 : x
  2. Step 2: Convert to fraction form
    12,337.39/18,505.92 = 2,977.33/x
  3. Step 3: Cross multiply
    12,337.39x = 18,505.92 × 2,977.33
  4. Step 4: Simplify right side
    12,337.39x = 55,098,230.79
  5. Step 5: Solve for x
    x = 55,098,230.79/12,337.39
  6. Step 6: Final answer
    x = 4,465.96

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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.