Home / 13,667.12-20,504.40-4,433.12

Finding the Fourth Proportional to 13,667.12, 20,504.40 and 4,433.12

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Solution

The fourth proportional to 13,667.12, 20,504.40 and 4,433.12 is: 6,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667.12 : 20,504.40 = 4,433.12 : x
  2. Step 2: Convert to fraction form
    13,667.12/20,504.40 = 4,433.12/x
  3. Step 3: Cross multiply
    13,667.12x = 20,504.40 × 4,433.12
  4. Step 4: Simplify right side
    13,667.12x = 90,898,465.73
  5. Step 5: Solve for x
    x = 90,898,465.73/13,667.12
  6. Step 6: Final answer
    x = 6,650.89

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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.