Home / 21,425.36-29,567.04-11,994.08

Finding the Fourth Proportional to 21,425.36, 29,567.04 and 11,994.08

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Solution

The fourth proportional to 21,425.36, 29,567.04 and 11,994.08 is: 16,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.36 : 29,567.04 = 11,994.08 : x
  2. Step 2: Convert to fraction form
    21,425.36/29,567.04 = 11,994.08/x
  3. Step 3: Cross multiply
    21,425.36x = 29,567.04 × 11,994.08
  4. Step 4: Simplify right side
    21,425.36x = 354,629,443.12
  5. Step 5: Solve for x
    x = 354,629,443.12/21,425.36
  6. Step 6: Final answer
    x = 16,551.85

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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.