Home / 11,191.72-16,762.05-5,352.46

Finding the Fourth Proportional to 11,191.72, 16,762.05 and 5,352.46

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Solution

The fourth proportional to 11,191.72, 16,762.05 and 5,352.46 is: 8,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.72 : 16,762.05 = 5,352.46 : x
  2. Step 2: Convert to fraction form
    11,191.72/16,762.05 = 5,352.46/x
  3. Step 3: Cross multiply
    11,191.72x = 16,762.05 × 5,352.46
  4. Step 4: Simplify right side
    11,191.72x = 89,718,202.14
  5. Step 5: Solve for x
    x = 89,718,202.14/11,191.72
  6. Step 6: Final answer
    x = 8,016.48

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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.