Home / 18,072.05-24,939.39-10,115.81

Finding the Fourth Proportional to 18,072.05, 24,939.39 and 10,115.81

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Solution

The fourth proportional to 18,072.05, 24,939.39 and 10,115.81 is: 13,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.05 : 24,939.39 = 10,115.81 : x
  2. Step 2: Convert to fraction form
    18,072.05/24,939.39 = 10,115.81/x
  3. Step 3: Cross multiply
    18,072.05x = 24,939.39 × 10,115.81
  4. Step 4: Simplify right side
    18,072.05x = 252,282,130.76
  5. Step 5: Solve for x
    x = 252,282,130.76/18,072.05
  6. Step 6: Final answer
    x = 13,959.80

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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.