Home / 16,515.20-24,772.80-11,266.40

Finding the Fourth Proportional to 16,515.20, 24,772.80 and 11,266.40

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Solution

The fourth proportional to 16,515.20, 24,772.80 and 11,266.40 is: 16,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.20 : 24,772.80 = 11,266.40 : x
  2. Step 2: Convert to fraction form
    16,515.20/24,772.80 = 11,266.40/x
  3. Step 3: Cross multiply
    16,515.20x = 24,772.80 × 11,266.40
  4. Step 4: Simplify right side
    16,515.20x = 279,100,273.92
  5. Step 5: Solve for x
    x = 279,100,273.92/16,515.20
  6. Step 6: Final answer
    x = 16,899.60

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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.