Home / 11,352.45-15,649.97-7,517.67

Finding the Fourth Proportional to 11,352.45, 15,649.97 and 7,517.67

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Solution

The fourth proportional to 11,352.45, 15,649.97 and 7,517.67 is: 10,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.45 : 15,649.97 = 7,517.67 : x
  2. Step 2: Convert to fraction form
    11,352.45/15,649.97 = 7,517.67/x
  3. Step 3: Cross multiply
    11,352.45x = 15,649.97 × 7,517.67
  4. Step 4: Simplify right side
    11,352.45x = 117,651,309.97
  5. Step 5: Solve for x
    x = 117,651,309.97/11,352.45
  6. Step 6: Final answer
    x = 10,363.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.