Home / 18,135.41-27,182.05-10,349.69

Finding the Fourth Proportional to 18,135.41, 27,182.05 and 10,349.69

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Solution

The fourth proportional to 18,135.41, 27,182.05 and 10,349.69 is: 15,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.41 : 27,182.05 = 10,349.69 : x
  2. Step 2: Convert to fraction form
    18,135.41/27,182.05 = 10,349.69/x
  3. Step 3: Cross multiply
    18,135.41x = 27,182.05 × 10,349.69
  4. Step 4: Simplify right side
    18,135.41x = 281,325,629.28
  5. Step 5: Solve for x
    x = 281,325,629.28/18,135.41
  6. Step 6: Final answer
    x = 15,512.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.