Home / 11,889.68-17,835.48-3,569.12

Finding the Fourth Proportional to 11,889.68, 17,835.48 and 3,569.12

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Solution

The fourth proportional to 11,889.68, 17,835.48 and 3,569.12 is: 5,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.68 : 17,835.48 = 3,569.12 : x
  2. Step 2: Convert to fraction form
    11,889.68/17,835.48 = 3,569.12/x
  3. Step 3: Cross multiply
    11,889.68x = 17,835.48 × 3,569.12
  4. Step 4: Simplify right side
    11,889.68x = 63,656,968.38
  5. Step 5: Solve for x
    x = 63,656,968.38/11,889.68
  6. Step 6: Final answer
    x = 5,353.97

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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.