Home / 10,930.86-16,404.66-8,016.75

Finding the Fourth Proportional to 10,930.86, 16,404.66 and 8,016.75

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Solution

The fourth proportional to 10,930.86, 16,404.66 and 8,016.75 is: 12,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.86 : 16,404.66 = 8,016.75 : x
  2. Step 2: Convert to fraction form
    10,930.86/16,404.66 = 8,016.75/x
  3. Step 3: Cross multiply
    10,930.86x = 16,404.66 × 8,016.75
  4. Step 4: Simplify right side
    10,930.86x = 131,512,058.06
  5. Step 5: Solve for x
    x = 131,512,058.06/10,930.86
  6. Step 6: Final answer
    x = 12,031.26

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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.