Home / 21,834.53-32,724.40-9,339.90

Finding the Fourth Proportional to 21,834.53, 32,724.40 and 9,339.90

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Solution

The fourth proportional to 21,834.53, 32,724.40 and 9,339.90 is: 13,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834.53 : 32,724.40 = 9,339.90 : x
  2. Step 2: Convert to fraction form
    21,834.53/32,724.40 = 9,339.90/x
  3. Step 3: Cross multiply
    21,834.53x = 32,724.40 × 9,339.90
  4. Step 4: Simplify right side
    21,834.53x = 305,642,623.56
  5. Step 5: Solve for x
    x = 305,642,623.56/21,834.53
  6. Step 6: Final answer
    x = 13,998.13

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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.