Home / 11,989.42-17,986.56-4,594.12

Finding the Fourth Proportional to 11,989.42, 17,986.56 and 4,594.12

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Solution

The fourth proportional to 11,989.42, 17,986.56 and 4,594.12 is: 6,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.42 : 17,986.56 = 4,594.12 : x
  2. Step 2: Convert to fraction form
    11,989.42/17,986.56 = 4,594.12/x
  3. Step 3: Cross multiply
    11,989.42x = 17,986.56 × 4,594.12
  4. Step 4: Simplify right side
    11,989.42x = 82,632,415.03
  5. Step 5: Solve for x
    x = 82,632,415.03/11,989.42
  6. Step 6: Final answer
    x = 6,892.11

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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.