Home / 11,731.02-17,596.53-3,945.30

Finding the Fourth Proportional to 11,731.02, 17,596.53 and 3,945.30

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Solution

The fourth proportional to 11,731.02, 17,596.53 and 3,945.30 is: 5,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.02 : 17,596.53 = 3,945.30 : x
  2. Step 2: Convert to fraction form
    11,731.02/17,596.53 = 3,945.30/x
  3. Step 3: Cross multiply
    11,731.02x = 17,596.53 × 3,945.30
  4. Step 4: Simplify right side
    11,731.02x = 69,423,589.81
  5. Step 5: Solve for x
    x = 69,423,589.81/11,731.02
  6. Step 6: Final answer
    x = 5,917.95

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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.