Home / 21,304.22-29,399.96-11,873.39

Finding the Fourth Proportional to 21,304.22, 29,399.96 and 11,873.39

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Solution

The fourth proportional to 21,304.22, 29,399.96 and 11,873.39 is: 16,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.22 : 29,399.96 = 11,873.39 : x
  2. Step 2: Convert to fraction form
    21,304.22/29,399.96 = 11,873.39/x
  3. Step 3: Cross multiply
    21,304.22x = 29,399.96 × 11,873.39
  4. Step 4: Simplify right side
    21,304.22x = 349,077,073.75
  5. Step 5: Solve for x
    x = 349,077,073.75/21,304.22
  6. Step 6: Final answer
    x = 16,385.35

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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.