Home / 12,434.46-18,649.65-3,667.35

Finding the Fourth Proportional to 12,434.46, 18,649.65 and 3,667.35

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Solution

The fourth proportional to 12,434.46, 18,649.65 and 3,667.35 is: 5,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.46 : 18,649.65 = 3,667.35 : x
  2. Step 2: Convert to fraction form
    12,434.46/18,649.65 = 3,667.35/x
  3. Step 3: Cross multiply
    12,434.46x = 18,649.65 × 3,667.35
  4. Step 4: Simplify right side
    12,434.46x = 68,394,793.93
  5. Step 5: Solve for x
    x = 68,394,793.93/12,434.46
  6. Step 6: Final answer
    x = 5,500.42

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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.