Home / 10,163.12-15,239.68-4,238.23

Finding the Fourth Proportional to 10,163.12, 15,239.68 and 4,238.23

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Solution

The fourth proportional to 10,163.12, 15,239.68 and 4,238.23 is: 6,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.12 : 15,239.68 = 4,238.23 : x
  2. Step 2: Convert to fraction form
    10,163.12/15,239.68 = 4,238.23/x
  3. Step 3: Cross multiply
    10,163.12x = 15,239.68 × 4,238.23
  4. Step 4: Simplify right side
    10,163.12x = 64,589,268.97
  5. Step 5: Solve for x
    x = 64,589,268.97/10,163.12
  6. Step 6: Final answer
    x = 6,355.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.