Home / 21,074.11-31,611.17-6,293.41

Finding the Fourth Proportional to 21,074.11, 31,611.17 and 6,293.41

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Solution

The fourth proportional to 21,074.11, 31,611.17 and 6,293.41 is: 9,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074.11 : 31,611.17 = 6,293.41 : x
  2. Step 2: Convert to fraction form
    21,074.11/31,611.17 = 6,293.41/x
  3. Step 3: Cross multiply
    21,074.11x = 31,611.17 × 6,293.41
  4. Step 4: Simplify right side
    21,074.11x = 198,942,053.39
  5. Step 5: Solve for x
    x = 198,942,053.39/21,074.11
  6. Step 6: Final answer
    x = 9,440.12

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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.