Home / 11,955.85-16,498.70-6,650.62

Finding the Fourth Proportional to 11,955.85, 16,498.70 and 6,650.62

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Solution

The fourth proportional to 11,955.85, 16,498.70 and 6,650.62 is: 9,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.85 : 16,498.70 = 6,650.62 : x
  2. Step 2: Convert to fraction form
    11,955.85/16,498.70 = 6,650.62/x
  3. Step 3: Cross multiply
    11,955.85x = 16,498.70 × 6,650.62
  4. Step 4: Simplify right side
    11,955.85x = 109,726,550.94
  5. Step 5: Solve for x
    x = 109,726,550.94/11,955.85
  6. Step 6: Final answer
    x = 9,177.65

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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.