Home / 11,113.59-16,672.66-3,718.11

Finding the Fourth Proportional to 11,113.59, 16,672.66 and 3,718.11

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Solution

The fourth proportional to 11,113.59, 16,672.66 and 3,718.11 is: 5,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.59 : 16,672.66 = 3,718.11 : x
  2. Step 2: Convert to fraction form
    11,113.59/16,672.66 = 3,718.11/x
  3. Step 3: Cross multiply
    11,113.59x = 16,672.66 × 3,718.11
  4. Step 4: Simplify right side
    11,113.59x = 61,990,765.28
  5. Step 5: Solve for x
    x = 61,990,765.28/11,113.59
  6. Step 6: Final answer
    x = 5,577.93

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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.