Home / 13,352.72-20,119.20-11,063.66

Finding the Fourth Proportional to 13,352.72, 20,119.20 and 11,063.66

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Solution

The fourth proportional to 13,352.72, 20,119.20 and 11,063.66 is: 16,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.72 : 20,119.20 = 11,063.66 : x
  2. Step 2: Convert to fraction form
    13,352.72/20,119.20 = 11,063.66/x
  3. Step 3: Cross multiply
    13,352.72x = 20,119.20 × 11,063.66
  4. Step 4: Simplify right side
    13,352.72x = 222,591,846.19
  5. Step 5: Solve for x
    x = 222,591,846.19/13,352.72
  6. Step 6: Final answer
    x = 16,670.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.