Home / 10,801.20-16,182.60-8,842.80

Finding the Fourth Proportional to 10,801.20, 16,182.60 and 8,842.80

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Solution

The fourth proportional to 10,801.20, 16,182.60 and 8,842.80 is: 13,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.20 : 16,182.60 = 8,842.80 : x
  2. Step 2: Convert to fraction form
    10,801.20/16,182.60 = 8,842.80/x
  3. Step 3: Cross multiply
    10,801.20x = 16,182.60 × 8,842.80
  4. Step 4: Simplify right side
    10,801.20x = 143,099,495.28
  5. Step 5: Solve for x
    x = 143,099,495.28/10,801.20
  6. Step 6: Final answer
    x = 13,248.48

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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.