Home / 13,749.18-20,626.33-6,348.75

Finding the Fourth Proportional to 13,749.18, 20,626.33 and 6,348.75

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Solution

The fourth proportional to 13,749.18, 20,626.33 and 6,348.75 is: 9,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.18 : 20,626.33 = 6,348.75 : x
  2. Step 2: Convert to fraction form
    13,749.18/20,626.33 = 6,348.75/x
  3. Step 3: Cross multiply
    13,749.18x = 20,626.33 × 6,348.75
  4. Step 4: Simplify right side
    13,749.18x = 130,951,293.58
  5. Step 5: Solve for x
    x = 130,951,293.58/13,749.18
  6. Step 6: Final answer
    x = 9,524.30

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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.