Home / 18,260.08-25,198.92-9,876.58

Finding the Fourth Proportional to 18,260.08, 25,198.92 and 9,876.58

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Solution

The fourth proportional to 18,260.08, 25,198.92 and 9,876.58 is: 13,629.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.08 : 25,198.92 = 9,876.58 : x
  2. Step 2: Convert to fraction form
    18,260.08/25,198.92 = 9,876.58/x
  3. Step 3: Cross multiply
    18,260.08x = 25,198.92 × 9,876.58
  4. Step 4: Simplify right side
    18,260.08x = 248,879,149.29
  5. Step 5: Solve for x
    x = 248,879,149.29/18,260.08
  6. Step 6: Final answer
    x = 13,629.69

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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.