Home / 11,314.20-16,968.93-4,291.78

Finding the Fourth Proportional to 11,314.20, 16,968.93 and 4,291.78

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Solution

The fourth proportional to 11,314.20, 16,968.93 and 4,291.78 is: 6,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.20 : 16,968.93 = 4,291.78 : x
  2. Step 2: Convert to fraction form
    11,314.20/16,968.93 = 4,291.78/x
  3. Step 3: Cross multiply
    11,314.20x = 16,968.93 × 4,291.78
  4. Step 4: Simplify right side
    11,314.20x = 72,826,914.40
  5. Step 5: Solve for x
    x = 72,826,914.40/11,314.20
  6. Step 6: Final answer
    x = 6,436.77

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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.