Home / 11,988.46-17,982.86-4,593.30

Finding the Fourth Proportional to 11,988.46, 17,982.86 and 4,593.30

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Solution

The fourth proportional to 11,988.46, 17,982.86 and 4,593.30 is: 6,890.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.46 : 17,982.86 = 4,593.30 : x
  2. Step 2: Convert to fraction form
    11,988.46/17,982.86 = 4,593.30/x
  3. Step 3: Cross multiply
    11,988.46x = 17,982.86 × 4,593.30
  4. Step 4: Simplify right side
    11,988.46x = 82,600,670.84
  5. Step 5: Solve for x
    x = 82,600,670.84/11,988.46
  6. Step 6: Final answer
    x = 6,890.02

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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.