Home / 21,791.63-32,689.73-6,997.03

Finding the Fourth Proportional to 21,791.63, 32,689.73 and 6,997.03

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Solution

The fourth proportional to 21,791.63, 32,689.73 and 6,997.03 is: 10,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791.63 : 32,689.73 = 6,997.03 : x
  2. Step 2: Convert to fraction form
    21,791.63/32,689.73 = 6,997.03/x
  3. Step 3: Cross multiply
    21,791.63x = 32,689.73 × 6,997.03
  4. Step 4: Simplify right side
    21,791.63x = 228,731,101.79
  5. Step 5: Solve for x
    x = 228,731,101.79/21,791.63
  6. Step 6: Final answer
    x = 10,496.28

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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.