Home / 18,943.62-26,142.05-10,329.81

Finding the Fourth Proportional to 18,943.62, 26,142.05 and 10,329.81

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Solution

The fourth proportional to 18,943.62, 26,142.05 and 10,329.81 is: 14,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.62 : 26,142.05 = 10,329.81 : x
  2. Step 2: Convert to fraction form
    18,943.62/26,142.05 = 10,329.81/x
  3. Step 3: Cross multiply
    18,943.62x = 26,142.05 × 10,329.81
  4. Step 4: Simplify right side
    18,943.62x = 270,042,357.86
  5. Step 5: Solve for x
    x = 270,042,357.86/18,943.62
  6. Step 6: Final answer
    x = 14,255.06

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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.