Home / 21,961.13-32,938.04-9,487.94

Finding the Fourth Proportional to 21,961.13, 32,938.04 and 9,487.94

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Solution

The fourth proportional to 21,961.13, 32,938.04 and 9,487.94 is: 14,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.13 : 32,938.04 = 9,487.94 : x
  2. Step 2: Convert to fraction form
    21,961.13/32,938.04 = 9,487.94/x
  3. Step 3: Cross multiply
    21,961.13x = 32,938.04 × 9,487.94
  4. Step 4: Simplify right side
    21,961.13x = 312,514,006.27
  5. Step 5: Solve for x
    x = 312,514,006.27/21,961.13
  6. Step 6: Final answer
    x = 14,230.33

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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.