Home / 11,245.64-16,878.78-5,702.85

Finding the Fourth Proportional to 11,245.64, 16,878.78 and 5,702.85

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Solution

The fourth proportional to 11,245.64, 16,878.78 and 5,702.85 is: 8,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.64 : 16,878.78 = 5,702.85 : x
  2. Step 2: Convert to fraction form
    11,245.64/16,878.78 = 5,702.85/x
  3. Step 3: Cross multiply
    11,245.64x = 16,878.78 × 5,702.85
  4. Step 4: Simplify right side
    11,245.64x = 96,257,150.52
  5. Step 5: Solve for x
    x = 96,257,150.52/11,245.64
  6. Step 6: Final answer
    x = 8,559.51

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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.