Home / 11,144.04-15,378.30-6,665.14

Finding the Fourth Proportional to 11,144.04, 15,378.30 and 6,665.14

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Solution

The fourth proportional to 11,144.04, 15,378.30 and 6,665.14 is: 9,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.04 : 15,378.30 = 6,665.14 : x
  2. Step 2: Convert to fraction form
    11,144.04/15,378.30 = 6,665.14/x
  3. Step 3: Cross multiply
    11,144.04x = 15,378.30 × 6,665.14
  4. Step 4: Simplify right side
    11,144.04x = 102,498,522.46
  5. Step 5: Solve for x
    x = 102,498,522.46/11,144.04
  6. Step 6: Final answer
    x = 9,197.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.