Home / 11,931.37-16,467.71-6,895.80

Finding the Fourth Proportional to 11,931.37, 16,467.71 and 6,895.80

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Solution

The fourth proportional to 11,931.37, 16,467.71 and 6,895.80 is: 9,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.37 : 16,467.71 = 6,895.80 : x
  2. Step 2: Convert to fraction form
    11,931.37/16,467.71 = 6,895.80/x
  3. Step 3: Cross multiply
    11,931.37x = 16,467.71 × 6,895.80
  4. Step 4: Simplify right side
    11,931.37x = 113,558,000.14
  5. Step 5: Solve for x
    x = 113,558,000.14/11,931.37
  6. Step 6: Final answer
    x = 9,517.60

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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.