Home / 21,559.92-29,758.32-13,183.44

Finding the Fourth Proportional to 21,559.92, 29,758.32 and 13,183.44

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Solution

The fourth proportional to 21,559.92, 29,758.32 and 13,183.44 is: 18,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.92 : 29,758.32 = 13,183.44 : x
  2. Step 2: Convert to fraction form
    21,559.92/29,758.32 = 13,183.44/x
  3. Step 3: Cross multiply
    21,559.92x = 29,758.32 × 13,183.44
  4. Step 4: Simplify right side
    21,559.92x = 392,317,026.22
  5. Step 5: Solve for x
    x = 392,317,026.22/21,559.92
  6. Step 6: Final answer
    x = 18,196.59

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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.