Home / 9,117.67-13,667.19-4,190.98

Finding the Fourth Proportional to 9,117.67, 13,667.19 and 4,190.98

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Solution

The fourth proportional to 9,117.67, 13,667.19 and 4,190.98 is: 6,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.67 : 13,667.19 = 4,190.98 : x
  2. Step 2: Convert to fraction form
    9,117.67/13,667.19 = 4,190.98/x
  3. Step 3: Cross multiply
    9,117.67x = 13,667.19 × 4,190.98
  4. Step 4: Simplify right side
    9,117.67x = 57,278,919.95
  5. Step 5: Solve for x
    x = 57,278,919.95/9,117.67
  6. Step 6: Final answer
    x = 6,282.19

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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.