Home / 10,186.74-15,274.65-3,163.74

Finding the Fourth Proportional to 10,186.74, 15,274.65 and 3,163.74

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Solution

The fourth proportional to 10,186.74, 15,274.65 and 3,163.74 is: 4,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.74 : 15,274.65 = 3,163.74 : x
  2. Step 2: Convert to fraction form
    10,186.74/15,274.65 = 3,163.74/x
  3. Step 3: Cross multiply
    10,186.74x = 15,274.65 × 3,163.74
  4. Step 4: Simplify right side
    10,186.74x = 48,325,021.19
  5. Step 5: Solve for x
    x = 48,325,021.19/10,186.74
  6. Step 6: Final answer
    x = 4,743.91

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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.