Home / 21,237.10-29,311.26-14,067.10

Finding the Fourth Proportional to 21,237.10, 29,311.26 and 14,067.10

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Solution

The fourth proportional to 21,237.10, 29,311.26 and 14,067.10 is: 19,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,237.10 : 29,311.26 = 14,067.10 : x
  2. Step 2: Convert to fraction form
    21,237.10/29,311.26 = 14,067.10/x
  3. Step 3: Cross multiply
    21,237.10x = 29,311.26 × 14,067.10
  4. Step 4: Simplify right side
    21,237.10x = 412,324,425.55
  5. Step 5: Solve for x
    x = 412,324,425.55/21,237.10
  6. Step 6: Final answer
    x = 19,415.29

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Half scale
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Double scale
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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.