Home / 11,287.86-16,927.11-4,266.66

Finding the Fourth Proportional to 11,287.86, 16,927.11 and 4,266.66

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Solution

The fourth proportional to 11,287.86, 16,927.11 and 4,266.66 is: 6,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.86 : 16,927.11 = 4,266.66 : x
  2. Step 2: Convert to fraction form
    11,287.86/16,927.11 = 4,266.66/x
  3. Step 3: Cross multiply
    11,287.86x = 16,927.11 × 4,266.66
  4. Step 4: Simplify right side
    11,287.86x = 72,222,223.15
  5. Step 5: Solve for x
    x = 72,222,223.15/11,287.86
  6. Step 6: Final answer
    x = 6,398.22

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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.