Home / 13,961.92-19,260.88-8,296.84

Finding the Fourth Proportional to 13,961.92, 19,260.88 and 8,296.84

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Solution

The fourth proportional to 13,961.92, 19,260.88 and 8,296.84 is: 11,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.92 : 19,260.88 = 8,296.84 : x
  2. Step 2: Convert to fraction form
    13,961.92/19,260.88 = 8,296.84/x
  3. Step 3: Cross multiply
    13,961.92x = 19,260.88 × 8,296.84
  4. Step 4: Simplify right side
    13,961.92x = 159,804,439.62
  5. Step 5: Solve for x
    x = 159,804,439.62/13,961.92
  6. Step 6: Final answer
    x = 11,445.74

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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.