Home / 11,984.10-17,977.08-4,084.18

Finding the Fourth Proportional to 11,984.10, 17,977.08 and 4,084.18

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Solution

The fourth proportional to 11,984.10, 17,977.08 and 4,084.18 is: 6,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.10 : 17,977.08 = 4,084.18 : x
  2. Step 2: Convert to fraction form
    11,984.10/17,977.08 = 4,084.18/x
  3. Step 3: Cross multiply
    11,984.10x = 17,977.08 × 4,084.18
  4. Step 4: Simplify right side
    11,984.10x = 73,421,630.59
  5. Step 5: Solve for x
    x = 73,421,630.59/11,984.10
  6. Step 6: Final answer
    x = 6,126.59

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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.