Home / 11,148.39-16,725.33-7,867.89

Finding the Fourth Proportional to 11,148.39, 16,725.33 and 7,867.89

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Solution

The fourth proportional to 11,148.39, 16,725.33 and 7,867.89 is: 11,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.39 : 16,725.33 = 7,867.89 : x
  2. Step 2: Convert to fraction form
    11,148.39/16,725.33 = 7,867.89/x
  3. Step 3: Cross multiply
    11,148.39x = 16,725.33 × 7,867.89
  4. Step 4: Simplify right side
    11,148.39x = 131,593,056.65
  5. Step 5: Solve for x
    x = 131,593,056.65/11,148.39
  6. Step 6: Final answer
    x = 11,803.77

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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.