Home / 11,916.92-16,445.36-6,611.73

Finding the Fourth Proportional to 11,916.92, 16,445.36 and 6,611.73

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Solution

The fourth proportional to 11,916.92, 16,445.36 and 6,611.73 is: 9,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.92 : 16,445.36 = 6,611.73 : x
  2. Step 2: Convert to fraction form
    11,916.92/16,445.36 = 6,611.73/x
  3. Step 3: Cross multiply
    11,916.92x = 16,445.36 × 6,611.73
  4. Step 4: Simplify right side
    11,916.92x = 108,732,373.69
  5. Step 5: Solve for x
    x = 108,732,373.69/11,916.92
  6. Step 6: Final answer
    x = 9,124.20

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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.