Home / 12,785.26-19,177.97-4,465.28

Finding the Fourth Proportional to 12,785.26, 19,177.97 and 4,465.28

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Solution

The fourth proportional to 12,785.26, 19,177.97 and 4,465.28 is: 6,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785.26 : 19,177.97 = 4,465.28 : x
  2. Step 2: Convert to fraction form
    12,785.26/19,177.97 = 4,465.28/x
  3. Step 3: Cross multiply
    12,785.26x = 19,177.97 × 4,465.28
  4. Step 4: Simplify right side
    12,785.26x = 85,635,005.88
  5. Step 5: Solve for x
    x = 85,635,005.88/12,785.26
  6. Step 6: Final answer
    x = 6,697.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.