Home / 21,834.51-32,724.36-9,339.85

Finding the Fourth Proportional to 21,834.51, 32,724.36 and 9,339.85

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Solution

The fourth proportional to 21,834.51, 32,724.36 and 9,339.85 is: 13,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834.51 : 32,724.36 = 9,339.85 : x
  2. Step 2: Convert to fraction form
    21,834.51/32,724.36 = 9,339.85/x
  3. Step 3: Cross multiply
    21,834.51x = 32,724.36 × 9,339.85
  4. Step 4: Simplify right side
    21,834.51x = 305,640,531.94
  5. Step 5: Solve for x
    x = 305,640,531.94/21,834.51
  6. Step 6: Final answer
    x = 13,998.05

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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.