Home / 9,190.11-13,774.22-5,286.32

Finding the Fourth Proportional to 9,190.11, 13,774.22 and 5,286.32

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Solution

The fourth proportional to 9,190.11, 13,774.22 and 5,286.32 is: 7,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.11 : 13,774.22 = 5,286.32 : x
  2. Step 2: Convert to fraction form
    9,190.11/13,774.22 = 5,286.32/x
  3. Step 3: Cross multiply
    9,190.11x = 13,774.22 × 5,286.32
  4. Step 4: Simplify right side
    9,190.11x = 72,814,934.67
  5. Step 5: Solve for x
    x = 72,814,934.67/9,190.11
  6. Step 6: Final answer
    x = 7,923.18

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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.