Home / 11,930.85-16,465.12-6,625.69

Finding the Fourth Proportional to 11,930.85, 16,465.12 and 6,625.69

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Solution

The fourth proportional to 11,930.85, 16,465.12 and 6,625.69 is: 9,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.85 : 16,465.12 = 6,625.69 : x
  2. Step 2: Convert to fraction form
    11,930.85/16,465.12 = 6,625.69/x
  3. Step 3: Cross multiply
    11,930.85x = 16,465.12 × 6,625.69
  4. Step 4: Simplify right side
    11,930.85x = 109,092,780.93
  5. Step 5: Solve for x
    x = 109,092,780.93/11,930.85
  6. Step 6: Final answer
    x = 9,143.76

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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.