Home / 13,399.16-20,094.42-4,512.56

Finding the Fourth Proportional to 13,399.16, 20,094.42 and 4,512.56

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Solution

The fourth proportional to 13,399.16, 20,094.42 and 4,512.56 is: 6,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.16 : 20,094.42 = 4,512.56 : x
  2. Step 2: Convert to fraction form
    13,399.16/20,094.42 = 4,512.56/x
  3. Step 3: Cross multiply
    13,399.16x = 20,094.42 × 4,512.56
  4. Step 4: Simplify right side
    13,399.16x = 90,677,275.92
  5. Step 5: Solve for x
    x = 90,677,275.92/13,399.16
  6. Step 6: Final answer
    x = 6,767.39

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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.