Home / 21,972.11-32,963.76-6,389.73

Finding the Fourth Proportional to 21,972.11, 32,963.76 and 6,389.73

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Solution

The fourth proportional to 21,972.11, 32,963.76 and 6,389.73 is: 9,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.11 : 32,963.76 = 6,389.73 : x
  2. Step 2: Convert to fraction form
    21,972.11/32,963.76 = 6,389.73/x
  3. Step 3: Cross multiply
    21,972.11x = 32,963.76 × 6,389.73
  4. Step 4: Simplify right side
    21,972.11x = 210,629,526.18
  5. Step 5: Solve for x
    x = 210,629,526.18/21,972.11
  6. Step 6: Final answer
    x = 9,586.22

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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.