Home / 11,885.16-17,826.66-5,316.60

Finding the Fourth Proportional to 11,885.16, 17,826.66 and 5,316.60

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Solution

The fourth proportional to 11,885.16, 17,826.66 and 5,316.60 is: 7,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.16 : 17,826.66 = 5,316.60 : x
  2. Step 2: Convert to fraction form
    11,885.16/17,826.66 = 5,316.60/x
  3. Step 3: Cross multiply
    11,885.16x = 17,826.66 × 5,316.60
  4. Step 4: Simplify right side
    11,885.16x = 94,777,220.56
  5. Step 5: Solve for x
    x = 94,777,220.56/11,885.16
  6. Step 6: Final answer
    x = 7,974.42

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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.