Home / 11,967.14-16,514.28-6,661.69

Finding the Fourth Proportional to 11,967.14, 16,514.28 and 6,661.69

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Solution

The fourth proportional to 11,967.14, 16,514.28 and 6,661.69 is: 9,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.14 : 16,514.28 = 6,661.69 : x
  2. Step 2: Convert to fraction form
    11,967.14/16,514.28 = 6,661.69/x
  3. Step 3: Cross multiply
    11,967.14x = 16,514.28 × 6,661.69
  4. Step 4: Simplify right side
    11,967.14x = 110,013,065.54
  5. Step 5: Solve for x
    x = 110,013,065.54/11,967.14
  6. Step 6: Final answer
    x = 9,192.93

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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.