Home / 21,505.30-32,233.19-8,346.54

Finding the Fourth Proportional to 21,505.30, 32,233.19 and 8,346.54

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Solution

The fourth proportional to 21,505.30, 32,233.19 and 8,346.54 is: 12,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505.30 : 32,233.19 = 8,346.54 : x
  2. Step 2: Convert to fraction form
    21,505.30/32,233.19 = 8,346.54/x
  3. Step 3: Cross multiply
    21,505.30x = 32,233.19 × 8,346.54
  4. Step 4: Simplify right side
    21,505.30x = 269,035,609.66
  5. Step 5: Solve for x
    x = 269,035,609.66/21,505.30
  6. Step 6: Final answer
    x = 12,510.20

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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.