Home / 11,124.78-16,727.17-10,257.87

Finding the Fourth Proportional to 11,124.78, 16,727.17 and 10,257.87

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Solution

The fourth proportional to 11,124.78, 16,727.17 and 10,257.87 is: 15,423.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.78 : 16,727.17 = 10,257.87 : x
  2. Step 2: Convert to fraction form
    11,124.78/16,727.17 = 10,257.87/x
  3. Step 3: Cross multiply
    11,124.78x = 16,727.17 × 10,257.87
  4. Step 4: Simplify right side
    11,124.78x = 171,585,135.33
  5. Step 5: Solve for x
    x = 171,585,135.33/11,124.78
  6. Step 6: Final answer
    x = 15,423.69

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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.