Home / 9,142.06-13,712.96-2,216.62

Finding the Fourth Proportional to 9,142.06, 13,712.96 and 2,216.62

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Solution

The fourth proportional to 9,142.06, 13,712.96 and 2,216.62 is: 3,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.06 : 13,712.96 = 2,216.62 : x
  2. Step 2: Convert to fraction form
    9,142.06/13,712.96 = 2,216.62/x
  3. Step 3: Cross multiply
    9,142.06x = 13,712.96 × 2,216.62
  4. Step 4: Simplify right side
    9,142.06x = 30,396,421.40
  5. Step 5: Solve for x
    x = 30,396,421.40/9,142.06
  6. Step 6: Final answer
    x = 3,324.90

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1.5x scale

Why These Related Problems?

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