Home / 11,917.35-16,426.13-8,374.41

Finding the Fourth Proportional to 11,917.35, 16,426.13 and 8,374.41

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Solution

The fourth proportional to 11,917.35, 16,426.13 and 8,374.41 is: 11,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.35 : 16,426.13 = 8,374.41 : x
  2. Step 2: Convert to fraction form
    11,917.35/16,426.13 = 8,374.41/x
  3. Step 3: Cross multiply
    11,917.35x = 16,426.13 × 8,374.41
  4. Step 4: Simplify right side
    11,917.35x = 137,559,105.46
  5. Step 5: Solve for x
    x = 137,559,105.46/11,917.35
  6. Step 6: Final answer
    x = 11,542.76

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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.