Home / 11,812.02-17,712.72-3,489.14

Finding the Fourth Proportional to 11,812.02, 17,712.72 and 3,489.14

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Solution

The fourth proportional to 11,812.02, 17,712.72 and 3,489.14 is: 5,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.02 : 17,712.72 = 3,489.14 : x
  2. Step 2: Convert to fraction form
    11,812.02/17,712.72 = 3,489.14/x
  3. Step 3: Cross multiply
    11,812.02x = 17,712.72 × 3,489.14
  4. Step 4: Simplify right side
    11,812.02x = 61,802,159.86
  5. Step 5: Solve for x
    x = 61,802,159.86/11,812.02
  6. Step 6: Final answer
    x = 5,232.14

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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.