Home / 13,493.32-20,226.12-5,171.40

Finding the Fourth Proportional to 13,493.32, 20,226.12 and 5,171.40

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Solution

The fourth proportional to 13,493.32, 20,226.12 and 5,171.40 is: 7,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.32 : 20,226.12 = 5,171.40 : x
  2. Step 2: Convert to fraction form
    13,493.32/20,226.12 = 5,171.40/x
  3. Step 3: Cross multiply
    13,493.32x = 20,226.12 × 5,171.40
  4. Step 4: Simplify right side
    13,493.32x = 104,597,356.97
  5. Step 5: Solve for x
    x = 104,597,356.97/13,493.32
  6. Step 6: Final answer
    x = 7,751.79

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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.