Home / 18,943.68-26,142.34-10,329.80

Finding the Fourth Proportional to 18,943.68, 26,142.34 and 10,329.80

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Solution

The fourth proportional to 18,943.68, 26,142.34 and 10,329.80 is: 14,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.68 : 26,142.34 = 10,329.80 : x
  2. Step 2: Convert to fraction form
    18,943.68/26,142.34 = 10,329.80/x
  3. Step 3: Cross multiply
    18,943.68x = 26,142.34 × 10,329.80
  4. Step 4: Simplify right side
    18,943.68x = 270,045,143.73
  5. Step 5: Solve for x
    x = 270,045,143.73/18,943.68
  6. Step 6: Final answer
    x = 14,255.16

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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.