Home / 21,581.96-32,377.37-9,101.99

Finding the Fourth Proportional to 21,581.96, 32,377.37 and 9,101.99

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Solution

The fourth proportional to 21,581.96, 32,377.37 and 9,101.99 is: 13,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.96 : 32,377.37 = 9,101.99 : x
  2. Step 2: Convert to fraction form
    21,581.96/32,377.37 = 9,101.99/x
  3. Step 3: Cross multiply
    21,581.96x = 32,377.37 × 9,101.99
  4. Step 4: Simplify right side
    21,581.96x = 294,698,402.48
  5. Step 5: Solve for x
    x = 294,698,402.48/21,581.96
  6. Step 6: Final answer
    x = 13,654.85

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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.