Home / 22,372.08-30,857.40-13,879.14

Finding the Fourth Proportional to 22,372.08, 30,857.40 and 13,879.14

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Solution

The fourth proportional to 22,372.08, 30,857.40 and 13,879.14 is: 19,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.08 : 30,857.40 = 13,879.14 : x
  2. Step 2: Convert to fraction form
    22,372.08/30,857.40 = 13,879.14/x
  3. Step 3: Cross multiply
    22,372.08x = 30,857.40 × 13,879.14
  4. Step 4: Simplify right side
    22,372.08x = 428,274,174.64
  5. Step 5: Solve for x
    x = 428,274,174.64/22,372.08
  6. Step 6: Final answer
    x = 19,143.24

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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.