Home / 21,699.43-32,553.20-9,854.03

Finding the Fourth Proportional to 21,699.43, 32,553.20 and 9,854.03

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Solution

The fourth proportional to 21,699.43, 32,553.20 and 9,854.03 is: 14,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,699.43 : 32,553.20 = 9,854.03 : x
  2. Step 2: Convert to fraction form
    21,699.43/32,553.20 = 9,854.03/x
  3. Step 3: Cross multiply
    21,699.43x = 32,553.20 × 9,854.03
  4. Step 4: Simplify right side
    21,699.43x = 320,780,315.41
  5. Step 5: Solve for x
    x = 320,780,315.41/21,699.43
  6. Step 6: Final answer
    x = 14,782.89

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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.