Home / 11,243.66-16,862.28-3,345.86

Finding the Fourth Proportional to 11,243.66, 16,862.28 and 3,345.86

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Solution

The fourth proportional to 11,243.66, 16,862.28 and 3,345.86 is: 5,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.66 : 16,862.28 = 3,345.86 : x
  2. Step 2: Convert to fraction form
    11,243.66/16,862.28 = 3,345.86/x
  3. Step 3: Cross multiply
    11,243.66x = 16,862.28 × 3,345.86
  4. Step 4: Simplify right side
    11,243.66x = 56,418,828.16
  5. Step 5: Solve for x
    x = 56,418,828.16/11,243.66
  6. Step 6: Final answer
    x = 5,017.83

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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.