Home / 21,791.24-32,691.10-6,999.02

Finding the Fourth Proportional to 21,791.24, 32,691.10 and 6,999.02

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Solution

The fourth proportional to 21,791.24, 32,691.10 and 6,999.02 is: 10,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791.24 : 32,691.10 = 6,999.02 : x
  2. Step 2: Convert to fraction form
    21,791.24/32,691.10 = 6,999.02/x
  3. Step 3: Cross multiply
    21,791.24x = 32,691.10 × 6,999.02
  4. Step 4: Simplify right side
    21,791.24x = 228,805,662.72
  5. Step 5: Solve for x
    x = 228,805,662.72/21,791.24
  6. Step 6: Final answer
    x = 10,499.89

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1.5x scale

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.