Home / 21,084.98-31,626.39-6,294.02

Finding the Fourth Proportional to 21,084.98, 31,626.39 and 6,294.02

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Solution

The fourth proportional to 21,084.98, 31,626.39 and 6,294.02 is: 9,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084.98 : 31,626.39 = 6,294.02 : x
  2. Step 2: Convert to fraction form
    21,084.98/31,626.39 = 6,294.02/x
  3. Step 3: Cross multiply
    21,084.98x = 31,626.39 × 6,294.02
  4. Step 4: Simplify right side
    21,084.98x = 199,057,131.19
  5. Step 5: Solve for x
    x = 199,057,131.19/21,084.98
  6. Step 6: Final answer
    x = 9,440.71

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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.