Home / 13,464.75-20,191.25-4,102.57

Finding the Fourth Proportional to 13,464.75, 20,191.25 and 4,102.57

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Solution

The fourth proportional to 13,464.75, 20,191.25 and 4,102.57 is: 6,152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.75 : 20,191.25 = 4,102.57 : x
  2. Step 2: Convert to fraction form
    13,464.75/20,191.25 = 4,102.57/x
  3. Step 3: Cross multiply
    13,464.75x = 20,191.25 × 4,102.57
  4. Step 4: Simplify right side
    13,464.75x = 82,836,016.51
  5. Step 5: Solve for x
    x = 82,836,016.51/13,464.75
  6. Step 6: Final answer
    x = 6,152.06

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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.