Home / 23,163.44-31,965.47-12,553.08

Finding the Fourth Proportional to 23,163.44, 31,965.47 and 12,553.08

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Solution

The fourth proportional to 23,163.44, 31,965.47 and 12,553.08 is: 17,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.44 : 31,965.47 = 12,553.08 : x
  2. Step 2: Convert to fraction form
    23,163.44/31,965.47 = 12,553.08/x
  3. Step 3: Cross multiply
    23,163.44x = 31,965.47 × 12,553.08
  4. Step 4: Simplify right side
    23,163.44x = 401,264,966.59
  5. Step 5: Solve for x
    x = 401,264,966.59/23,163.44
  6. Step 6: Final answer
    x = 17,323.21

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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.