Home / 9,163.46-12,645.59-4,971.71

Finding the Fourth Proportional to 9,163.46, 12,645.59 and 4,971.71

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Solution

The fourth proportional to 9,163.46, 12,645.59 and 4,971.71 is: 6,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.46 : 12,645.59 = 4,971.71 : x
  2. Step 2: Convert to fraction form
    9,163.46/12,645.59 = 4,971.71/x
  3. Step 3: Cross multiply
    9,163.46x = 12,645.59 × 4,971.71
  4. Step 4: Simplify right side
    9,163.46x = 62,870,143.03
  5. Step 5: Solve for x
    x = 62,870,143.03/9,163.46
  6. Step 6: Final answer
    x = 6,860.96

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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.