Home / 21,631.08-29,849.67-12,199.08

Finding the Fourth Proportional to 21,631.08, 29,849.67 and 12,199.08

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Solution

The fourth proportional to 21,631.08, 29,849.67 and 12,199.08 is: 16,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.08 : 29,849.67 = 12,199.08 : x
  2. Step 2: Convert to fraction form
    21,631.08/29,849.67 = 12,199.08/x
  3. Step 3: Cross multiply
    21,631.08x = 29,849.67 × 12,199.08
  4. Step 4: Simplify right side
    21,631.08x = 364,138,512.30
  5. Step 5: Solve for x
    x = 364,138,512.30/21,631.08
  6. Step 6: Final answer
    x = 16,834.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.