Home / 11,211-15,471.22-6,734.82

Finding the Fourth Proportional to 11,211, 15,471.22 and 6,734.82

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Solution

The fourth proportional to 11,211, 15,471.22 and 6,734.82 is: 9,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211 : 15,471.22 = 6,734.82 : x
  2. Step 2: Convert to fraction form
    11,211/15,471.22 = 6,734.82/x
  3. Step 3: Cross multiply
    11,211x = 15,471.22 × 6,734.82
  4. Step 4: Simplify right side
    11,211x = 104,195,881.88
  5. Step 5: Solve for x
    x = 104,195,881.88/11,211
  6. Step 6: Final answer
    x = 9,294.08

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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.