Home / 11,059.43-15,281.44-8,839.62

Finding the Fourth Proportional to 11,059.43, 15,281.44 and 8,839.62

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Solution

The fourth proportional to 11,059.43, 15,281.44 and 8,839.62 is: 12,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.43 : 15,281.44 = 8,839.62 : x
  2. Step 2: Convert to fraction form
    11,059.43/15,281.44 = 8,839.62/x
  3. Step 3: Cross multiply
    11,059.43x = 15,281.44 × 8,839.62
  4. Step 4: Simplify right side
    11,059.43x = 135,082,100.55
  5. Step 5: Solve for x
    x = 135,082,100.55/11,059.43
  6. Step 6: Final answer
    x = 12,214.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.