Home / 11,708.31-17,566.05-3,811.53

Finding the Fourth Proportional to 11,708.31, 17,566.05 and 3,811.53

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Solution

The fourth proportional to 11,708.31, 17,566.05 and 3,811.53 is: 5,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.31 : 17,566.05 = 3,811.53 : x
  2. Step 2: Convert to fraction form
    11,708.31/17,566.05 = 3,811.53/x
  3. Step 3: Cross multiply
    11,708.31x = 17,566.05 × 3,811.53
  4. Step 4: Simplify right side
    11,708.31x = 66,953,551.96
  5. Step 5: Solve for x
    x = 66,953,551.96/11,708.31
  6. Step 6: Final answer
    x = 5,718.46

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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.