Home / 11,672.70-16,108.32-6,367.50

Finding the Fourth Proportional to 11,672.70, 16,108.32 and 6,367.50

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Solution

The fourth proportional to 11,672.70, 16,108.32 and 6,367.50 is: 8,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.70 : 16,108.32 = 6,367.50 : x
  2. Step 2: Convert to fraction form
    11,672.70/16,108.32 = 6,367.50/x
  3. Step 3: Cross multiply
    11,672.70x = 16,108.32 × 6,367.50
  4. Step 4: Simplify right side
    11,672.70x = 102,569,727.60
  5. Step 5: Solve for x
    x = 102,569,727.60/11,672.70
  6. Step 6: Final answer
    x = 8,787.15

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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.