Home / 13,660.75-20,494.37-4,426.75

Finding the Fourth Proportional to 13,660.75, 20,494.37 and 4,426.75

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Solution

The fourth proportional to 13,660.75, 20,494.37 and 4,426.75 is: 6,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.75 : 20,494.37 = 4,426.75 : x
  2. Step 2: Convert to fraction form
    13,660.75/20,494.37 = 4,426.75/x
  3. Step 3: Cross multiply
    13,660.75x = 20,494.37 × 4,426.75
  4. Step 4: Simplify right side
    13,660.75x = 90,723,452.40
  5. Step 5: Solve for x
    x = 90,723,452.40/13,660.75
  6. Step 6: Final answer
    x = 6,641.18

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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.