Home / 11,306.80-16,968.30-6,371.20

Finding the Fourth Proportional to 11,306.80, 16,968.30 and 6,371.20

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Solution

The fourth proportional to 11,306.80, 16,968.30 and 6,371.20 is: 9,561.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.80 : 16,968.30 = 6,371.20 : x
  2. Step 2: Convert to fraction form
    11,306.80/16,968.30 = 6,371.20/x
  3. Step 3: Cross multiply
    11,306.80x = 16,968.30 × 6,371.20
  4. Step 4: Simplify right side
    11,306.80x = 108,108,432.96
  5. Step 5: Solve for x
    x = 108,108,432.96/11,306.80
  6. Step 6: Final answer
    x = 9,561.36

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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.