Home / 13,750.44-20,626.85-4,391.79

Finding the Fourth Proportional to 13,750.44, 20,626.85 and 4,391.79

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Solution

The fourth proportional to 13,750.44, 20,626.85 and 4,391.79 is: 6,588.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.44 : 20,626.85 = 4,391.79 : x
  2. Step 2: Convert to fraction form
    13,750.44/20,626.85 = 4,391.79/x
  3. Step 3: Cross multiply
    13,750.44x = 20,626.85 × 4,391.79
  4. Step 4: Simplify right side
    13,750.44x = 90,588,793.56
  5. Step 5: Solve for x
    x = 90,588,793.56/13,750.44
  6. Step 6: Final answer
    x = 6,588.07

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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.