Home / 11,237.79-16,858.86-4,311.75

Finding the Fourth Proportional to 11,237.79, 16,858.86 and 4,311.75

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Solution

The fourth proportional to 11,237.79, 16,858.86 and 4,311.75 is: 6,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.79 : 16,858.86 = 4,311.75 : x
  2. Step 2: Convert to fraction form
    11,237.79/16,858.86 = 4,311.75/x
  3. Step 3: Cross multiply
    11,237.79x = 16,858.86 × 4,311.75
  4. Step 4: Simplify right side
    11,237.79x = 72,691,189.61
  5. Step 5: Solve for x
    x = 72,691,189.61/11,237.79
  6. Step 6: Final answer
    x = 6,468.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.