Home / 10,107.22-15,162.44-2,992.18

Finding the Fourth Proportional to 10,107.22, 15,162.44 and 2,992.18

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Solution

The fourth proportional to 10,107.22, 15,162.44 and 2,992.18 is: 4,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.22 : 15,162.44 = 2,992.18 : x
  2. Step 2: Convert to fraction form
    10,107.22/15,162.44 = 2,992.18/x
  3. Step 3: Cross multiply
    10,107.22x = 15,162.44 × 2,992.18
  4. Step 4: Simplify right side
    10,107.22x = 45,368,749.72
  5. Step 5: Solve for x
    x = 45,368,749.72/10,107.22
  6. Step 6: Final answer
    x = 4,488.75

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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.