Home / 11,060.40-16,568.20-6,887.60

Finding the Fourth Proportional to 11,060.40, 16,568.20 and 6,887.60

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Solution

The fourth proportional to 11,060.40, 16,568.20 and 6,887.60 is: 10,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.40 : 16,568.20 = 6,887.60 : x
  2. Step 2: Convert to fraction form
    11,060.40/16,568.20 = 6,887.60/x
  3. Step 3: Cross multiply
    11,060.40x = 16,568.20 × 6,887.60
  4. Step 4: Simplify right side
    11,060.40x = 114,115,134.32
  5. Step 5: Solve for x
    x = 114,115,134.32/11,060.40
  6. Step 6: Final answer
    x = 10,317.45

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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.