Home / 11,679.08-17,490.12-6,137.04

Finding the Fourth Proportional to 11,679.08, 17,490.12 and 6,137.04

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Solution

The fourth proportional to 11,679.08, 17,490.12 and 6,137.04 is: 9,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.08 : 17,490.12 = 6,137.04 : x
  2. Step 2: Convert to fraction form
    11,679.08/17,490.12 = 6,137.04/x
  3. Step 3: Cross multiply
    11,679.08x = 17,490.12 × 6,137.04
  4. Step 4: Simplify right side
    11,679.08x = 107,337,566.04
  5. Step 5: Solve for x
    x = 107,337,566.04/11,679.08
  6. Step 6: Final answer
    x = 9,190.58

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1.5x scale

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.