Home / 18,260.09-25,198.93-9,876.59

Finding the Fourth Proportional to 18,260.09, 25,198.93 and 9,876.59

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Solution

The fourth proportional to 18,260.09, 25,198.93 and 9,876.59 is: 13,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.09 : 25,198.93 = 9,876.59 : x
  2. Step 2: Convert to fraction form
    18,260.09/25,198.93 = 9,876.59/x
  3. Step 3: Cross multiply
    18,260.09x = 25,198.93 × 9,876.59
  4. Step 4: Simplify right side
    18,260.09x = 248,879,500.05
  5. Step 5: Solve for x
    x = 248,879,500.05/18,260.09
  6. Step 6: Final answer
    x = 13,629.70

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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.