Home / 11,931.92-16,466.80-6,896.32

Finding the Fourth Proportional to 11,931.92, 16,466.80 and 6,896.32

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Solution

The fourth proportional to 11,931.92, 16,466.80 and 6,896.32 is: 9,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.92 : 16,466.80 = 6,896.32 : x
  2. Step 2: Convert to fraction form
    11,931.92/16,466.80 = 6,896.32/x
  3. Step 3: Cross multiply
    11,931.92x = 16,466.80 × 6,896.32
  4. Step 4: Simplify right side
    11,931.92x = 113,560,322.18
  5. Step 5: Solve for x
    x = 113,560,322.18/11,931.92
  6. Step 6: Final answer
    x = 9,517.36

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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.