Home / 9,355.08-12,910.14-5,163.42

Finding the Fourth Proportional to 9,355.08, 12,910.14 and 5,163.42

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Solution

The fourth proportional to 9,355.08, 12,910.14 and 5,163.42 is: 7,125.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.08 : 12,910.14 = 5,163.42 : x
  2. Step 2: Convert to fraction form
    9,355.08/12,910.14 = 5,163.42/x
  3. Step 3: Cross multiply
    9,355.08x = 12,910.14 × 5,163.42
  4. Step 4: Simplify right side
    9,355.08x = 66,660,475.08
  5. Step 5: Solve for x
    x = 66,660,475.08/9,355.08
  6. Step 6: Final answer
    x = 7,125.59

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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.