Home / 18,998.57-26,217.97-10,615.07

Finding the Fourth Proportional to 18,998.57, 26,217.97 and 10,615.07

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Solution

The fourth proportional to 18,998.57, 26,217.97 and 10,615.07 is: 14,648.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998.57 : 26,217.97 = 10,615.07 : x
  2. Step 2: Convert to fraction form
    18,998.57/26,217.97 = 10,615.07/x
  3. Step 3: Cross multiply
    18,998.57x = 26,217.97 × 10,615.07
  4. Step 4: Simplify right side
    18,998.57x = 278,305,625.82
  5. Step 5: Solve for x
    x = 278,305,625.82/18,998.57
  6. Step 6: Final answer
    x = 14,648.77

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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.