Home / 11,711.53-16,162.29-6,406.34

Finding the Fourth Proportional to 11,711.53, 16,162.29 and 6,406.34

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Solution

The fourth proportional to 11,711.53, 16,162.29 and 6,406.34 is: 8,840.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.53 : 16,162.29 = 6,406.34 : x
  2. Step 2: Convert to fraction form
    11,711.53/16,162.29 = 6,406.34/x
  3. Step 3: Cross multiply
    11,711.53x = 16,162.29 × 6,406.34
  4. Step 4: Simplify right side
    11,711.53x = 103,541,124.92
  5. Step 5: Solve for x
    x = 103,541,124.92/11,711.53
  6. Step 6: Final answer
    x = 8,840.96

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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.