Home / 11,760.26-16,229.28-6,455.28

Finding the Fourth Proportional to 11,760.26, 16,229.28 and 6,455.28

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Solution

The fourth proportional to 11,760.26, 16,229.28 and 6,455.28 is: 8,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.26 : 16,229.28 = 6,455.28 : x
  2. Step 2: Convert to fraction form
    11,760.26/16,229.28 = 6,455.28/x
  3. Step 3: Cross multiply
    11,760.26x = 16,229.28 × 6,455.28
  4. Step 4: Simplify right side
    11,760.26x = 104,764,546.60
  5. Step 5: Solve for x
    x = 104,764,546.60/11,760.26
  6. Step 6: Final answer
    x = 8,908.35

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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.