Home / 9,317.47-13,974.68-2,742.12

Finding the Fourth Proportional to 9,317.47, 13,974.68 and 2,742.12

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Solution

The fourth proportional to 9,317.47, 13,974.68 and 2,742.12 is: 4,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.47 : 13,974.68 = 2,742.12 : x
  2. Step 2: Convert to fraction form
    9,317.47/13,974.68 = 2,742.12/x
  3. Step 3: Cross multiply
    9,317.47x = 13,974.68 × 2,742.12
  4. Step 4: Simplify right side
    9,317.47x = 38,320,249.52
  5. Step 5: Solve for x
    x = 38,320,249.52/9,317.47
  6. Step 6: Final answer
    x = 4,112.73

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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.