Home / 9,153.21-12,641.79-6,163.85

Finding the Fourth Proportional to 9,153.21, 12,641.79 and 6,163.85

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Solution

The fourth proportional to 9,153.21, 12,641.79 and 6,163.85 is: 8,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.21 : 12,641.79 = 6,163.85 : x
  2. Step 2: Convert to fraction form
    9,153.21/12,641.79 = 6,163.85/x
  3. Step 3: Cross multiply
    9,153.21x = 12,641.79 × 6,163.85
  4. Step 4: Simplify right side
    9,153.21x = 77,922,097.29
  5. Step 5: Solve for x
    x = 77,922,097.29/9,153.21
  6. Step 6: Final answer
    x = 8,513.09

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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.