Home / 11,400.07-17,106.13-8,089.71

Finding the Fourth Proportional to 11,400.07, 17,106.13 and 8,089.71

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Solution

The fourth proportional to 11,400.07, 17,106.13 and 8,089.71 is: 12,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.07 : 17,106.13 = 8,089.71 : x
  2. Step 2: Convert to fraction form
    11,400.07/17,106.13 = 8,089.71/x
  3. Step 3: Cross multiply
    11,400.07x = 17,106.13 × 8,089.71
  4. Step 4: Simplify right side
    11,400.07x = 138,383,653.46
  5. Step 5: Solve for x
    x = 138,383,653.46/11,400.07
  6. Step 6: Final answer
    x = 12,138.84

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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.