Home / 13,163.08-19,728.06-5,762.92

Finding the Fourth Proportional to 13,163.08, 19,728.06 and 5,762.92

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Solution

The fourth proportional to 13,163.08, 19,728.06 and 5,762.92 is: 8,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.08 : 19,728.06 = 5,762.92 : x
  2. Step 2: Convert to fraction form
    13,163.08/19,728.06 = 5,762.92/x
  3. Step 3: Cross multiply
    13,163.08x = 19,728.06 × 5,762.92
  4. Step 4: Simplify right side
    13,163.08x = 113,691,231.54
  5. Step 5: Solve for x
    x = 113,691,231.54/13,163.08
  6. Step 6: Final answer
    x = 8,637.13

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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.