Home / 21,738.12-32,607.18-11,872.02

Finding the Fourth Proportional to 21,738.12, 32,607.18 and 11,872.02

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Solution

The fourth proportional to 21,738.12, 32,607.18 and 11,872.02 is: 17,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.12 : 32,607.18 = 11,872.02 : x
  2. Step 2: Convert to fraction form
    21,738.12/32,607.18 = 11,872.02/x
  3. Step 3: Cross multiply
    21,738.12x = 32,607.18 × 11,872.02
  4. Step 4: Simplify right side
    21,738.12x = 387,113,093.10
  5. Step 5: Solve for x
    x = 387,113,093.10/21,738.12
  6. Step 6: Final answer
    x = 17,808.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.