Home / 18,972.43-26,185.49-10,910.81

Finding the Fourth Proportional to 18,972.43, 26,185.49 and 10,910.81

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Solution

The fourth proportional to 18,972.43, 26,185.49 and 10,910.81 is: 15,058.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.43 : 26,185.49 = 10,910.81 : x
  2. Step 2: Convert to fraction form
    18,972.43/26,185.49 = 10,910.81/x
  3. Step 3: Cross multiply
    18,972.43x = 26,185.49 × 10,910.81
  4. Step 4: Simplify right side
    18,972.43x = 285,704,720.67
  5. Step 5: Solve for x
    x = 285,704,720.67/18,972.43
  6. Step 6: Final answer
    x = 15,058.94

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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.