Home / 11,680.08-17,491.62-6,138.04

Finding the Fourth Proportional to 11,680.08, 17,491.62 and 6,138.04

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Solution

The fourth proportional to 11,680.08, 17,491.62 and 6,138.04 is: 9,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.08 : 17,491.62 = 6,138.04 : x
  2. Step 2: Convert to fraction form
    11,680.08/17,491.62 = 6,138.04/x
  3. Step 3: Cross multiply
    11,680.08x = 17,491.62 × 6,138.04
  4. Step 4: Simplify right side
    11,680.08x = 107,364,263.22
  5. Step 5: Solve for x
    x = 107,364,263.22/11,680.08
  6. Step 6: Final answer
    x = 9,192.08

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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.