Home / 21,026.41-31,534.24-6,231.86

Finding the Fourth Proportional to 21,026.41, 31,534.24 and 6,231.86

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Solution

The fourth proportional to 21,026.41, 31,534.24 and 6,231.86 is: 9,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.41 : 31,534.24 = 6,231.86 : x
  2. Step 2: Convert to fraction form
    21,026.41/31,534.24 = 6,231.86/x
  3. Step 3: Cross multiply
    21,026.41x = 31,534.24 × 6,231.86
  4. Step 4: Simplify right side
    21,026.41x = 196,517,102.95
  5. Step 5: Solve for x
    x = 196,517,102.95/21,026.41
  6. Step 6: Final answer
    x = 9,346.20

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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.