Home / 9,355.24-12,910.82-5,163.88

Finding the Fourth Proportional to 9,355.24, 12,910.82 and 5,163.88

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Solution

The fourth proportional to 9,355.24, 12,910.82 and 5,163.88 is: 7,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.24 : 12,910.82 = 5,163.88 : x
  2. Step 2: Convert to fraction form
    9,355.24/12,910.82 = 5,163.88/x
  3. Step 3: Cross multiply
    9,355.24x = 12,910.82 × 5,163.88
  4. Step 4: Simplify right side
    9,355.24x = 66,669,925.18
  5. Step 5: Solve for x
    x = 66,669,925.18/9,355.24
  6. Step 6: Final answer
    x = 7,126.48

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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.