Home / 11,239.96-16,863.28-3,342.74

Finding the Fourth Proportional to 11,239.96, 16,863.28 and 3,342.74

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Solution

The fourth proportional to 11,239.96, 16,863.28 and 3,342.74 is: 5,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.96 : 16,863.28 = 3,342.74 : x
  2. Step 2: Convert to fraction form
    11,239.96/16,863.28 = 3,342.74/x
  3. Step 3: Cross multiply
    11,239.96x = 16,863.28 × 3,342.74
  4. Step 4: Simplify right side
    11,239.96x = 56,369,560.59
  5. Step 5: Solve for x
    x = 56,369,560.59/11,239.96
  6. Step 6: Final answer
    x = 5,015.10

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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.