Home / 11,916.94-16,445.46-6,611.84

Finding the Fourth Proportional to 11,916.94, 16,445.46 and 6,611.84

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Solution

The fourth proportional to 11,916.94, 16,445.46 and 6,611.84 is: 9,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.94 : 16,445.46 = 6,611.84 : x
  2. Step 2: Convert to fraction form
    11,916.94/16,445.46 = 6,611.84/x
  3. Step 3: Cross multiply
    11,916.94x = 16,445.46 × 6,611.84
  4. Step 4: Simplify right side
    11,916.94x = 108,734,846.99
  5. Step 5: Solve for x
    x = 108,734,846.99/11,916.94
  6. Step 6: Final answer
    x = 9,124.39

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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.