Home / 13,512.92-20,270.46-4,749.80

Finding the Fourth Proportional to 13,512.92, 20,270.46 and 4,749.80

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Solution

The fourth proportional to 13,512.92, 20,270.46 and 4,749.80 is: 7,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.92 : 20,270.46 = 4,749.80 : x
  2. Step 2: Convert to fraction form
    13,512.92/20,270.46 = 4,749.80/x
  3. Step 3: Cross multiply
    13,512.92x = 20,270.46 × 4,749.80
  4. Step 4: Simplify right side
    13,512.92x = 96,280,568.36
  5. Step 5: Solve for x
    x = 96,280,568.36/13,512.92
  6. Step 6: Final answer
    x = 7,125.08

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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.