Home / 11,868.41-17,811.32-5,298.90

Finding the Fourth Proportional to 11,868.41, 17,811.32 and 5,298.90

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Solution

The fourth proportional to 11,868.41, 17,811.32 and 5,298.90 is: 7,952.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.41 : 17,811.32 = 5,298.90 : x
  2. Step 2: Convert to fraction form
    11,868.41/17,811.32 = 5,298.90/x
  3. Step 3: Cross multiply
    11,868.41x = 17,811.32 × 5,298.90
  4. Step 4: Simplify right side
    11,868.41x = 94,380,377.05
  5. Step 5: Solve for x
    x = 94,380,377.05/11,868.41
  6. Step 6: Final answer
    x = 7,952.24

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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.