Home / 23,163.86-31,965.90-12,553.32

Finding the Fourth Proportional to 23,163.86, 31,965.90 and 12,553.32

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Solution

The fourth proportional to 23,163.86, 31,965.90 and 12,553.32 is: 17,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.86 : 31,965.90 = 12,553.32 : x
  2. Step 2: Convert to fraction form
    23,163.86/31,965.90 = 12,553.32/x
  3. Step 3: Cross multiply
    23,163.86x = 31,965.90 × 12,553.32
  4. Step 4: Simplify right side
    23,163.86x = 401,278,171.79
  5. Step 5: Solve for x
    x = 401,278,171.79/23,163.86
  6. Step 6: Final answer
    x = 17,323.46

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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.