Home / 11,737.76-16,198.10-6,432.78

Finding the Fourth Proportional to 11,737.76, 16,198.10 and 6,432.78

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Solution

The fourth proportional to 11,737.76, 16,198.10 and 6,432.78 is: 8,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,737.76 : 16,198.10 = 6,432.78 : x
  2. Step 2: Convert to fraction form
    11,737.76/16,198.10 = 6,432.78/x
  3. Step 3: Cross multiply
    11,737.76x = 16,198.10 × 6,432.78
  4. Step 4: Simplify right side
    11,737.76x = 104,198,813.72
  5. Step 5: Solve for x
    x = 104,198,813.72/11,737.76
  6. Step 6: Final answer
    x = 8,877.23

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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.