Home / 21,331.26-31,994.08-6,338.07

Finding the Fourth Proportional to 21,331.26, 31,994.08 and 6,338.07

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Solution

The fourth proportional to 21,331.26, 31,994.08 and 6,338.07 is: 9,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331.26 : 31,994.08 = 6,338.07 : x
  2. Step 2: Convert to fraction form
    21,331.26/31,994.08 = 6,338.07/x
  3. Step 3: Cross multiply
    21,331.26x = 31,994.08 × 6,338.07
  4. Step 4: Simplify right side
    21,331.26x = 202,780,702.78
  5. Step 5: Solve for x
    x = 202,780,702.78/21,331.26
  6. Step 6: Final answer
    x = 9,506.27

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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.