Home / 21,850.98-32,781.33-6,269.82

Finding the Fourth Proportional to 21,850.98, 32,781.33 and 6,269.82

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Solution

The fourth proportional to 21,850.98, 32,781.33 and 6,269.82 is: 9,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,850.98 : 32,781.33 = 6,269.82 : x
  2. Step 2: Convert to fraction form
    21,850.98/32,781.33 = 6,269.82/x
  3. Step 3: Cross multiply
    21,850.98x = 32,781.33 × 6,269.82
  4. Step 4: Simplify right side
    21,850.98x = 205,533,038.46
  5. Step 5: Solve for x
    x = 205,533,038.46/21,850.98
  6. Step 6: Final answer
    x = 9,406.12

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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.