Home / 10,295.70-15,438.90-3,274.38

Finding the Fourth Proportional to 10,295.70, 15,438.90 and 3,274.38

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Solution

The fourth proportional to 10,295.70, 15,438.90 and 3,274.38 is: 4,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.70 : 15,438.90 = 3,274.38 : x
  2. Step 2: Convert to fraction form
    10,295.70/15,438.90 = 3,274.38/x
  3. Step 3: Cross multiply
    10,295.70x = 15,438.90 × 3,274.38
  4. Step 4: Simplify right side
    10,295.70x = 50,552,825.38
  5. Step 5: Solve for x
    x = 50,552,825.38/10,295.70
  6. Step 6: Final answer
    x = 4,910.09

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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.