Home / 9,163.92-12,642.06-5,625.84

Finding the Fourth Proportional to 9,163.92, 12,642.06 and 5,625.84

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Solution

The fourth proportional to 9,163.92, 12,642.06 and 5,625.84 is: 7,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.92 : 12,642.06 = 5,625.84 : x
  2. Step 2: Convert to fraction form
    9,163.92/12,642.06 = 5,625.84/x
  3. Step 3: Cross multiply
    9,163.92x = 12,642.06 × 5,625.84
  4. Step 4: Simplify right side
    9,163.92x = 71,122,206.83
  5. Step 5: Solve for x
    x = 71,122,206.83/9,163.92
  6. Step 6: Final answer
    x = 7,761.11

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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.