Home / 9,163.22-12,645.68-5,386.59

Finding the Fourth Proportional to 9,163.22, 12,645.68 and 5,386.59

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Solution

The fourth proportional to 9,163.22, 12,645.68 and 5,386.59 is: 7,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.22 : 12,645.68 = 5,386.59 : x
  2. Step 2: Convert to fraction form
    9,163.22/12,645.68 = 5,386.59/x
  3. Step 3: Cross multiply
    9,163.22x = 12,645.68 × 5,386.59
  4. Step 4: Simplify right side
    9,163.22x = 68,117,066.50
  5. Step 5: Solve for x
    x = 68,117,066.50/9,163.22
  6. Step 6: Final answer
    x = 7,433.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.