Home / 13,772.85-20,659.37-4,414.29

Finding the Fourth Proportional to 13,772.85, 20,659.37 and 4,414.29

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Solution

The fourth proportional to 13,772.85, 20,659.37 and 4,414.29 is: 6,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.85 : 20,659.37 = 4,414.29 : x
  2. Step 2: Convert to fraction form
    13,772.85/20,659.37 = 4,414.29/x
  3. Step 3: Cross multiply
    13,772.85x = 20,659.37 × 4,414.29
  4. Step 4: Simplify right side
    13,772.85x = 91,196,428.33
  5. Step 5: Solve for x
    x = 91,196,428.33/13,772.85
  6. Step 6: Final answer
    x = 6,621.46

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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.