Home / 10,927.78-16,391.70-3,532.90

Finding the Fourth Proportional to 10,927.78, 16,391.70 and 3,532.90

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Solution

The fourth proportional to 10,927.78, 16,391.70 and 3,532.90 is: 5,299.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.78 : 16,391.70 = 3,532.90 : x
  2. Step 2: Convert to fraction form
    10,927.78/16,391.70 = 3,532.90/x
  3. Step 3: Cross multiply
    10,927.78x = 16,391.70 × 3,532.90
  4. Step 4: Simplify right side
    10,927.78x = 57,910,236.93
  5. Step 5: Solve for x
    x = 57,910,236.93/10,927.78
  6. Step 6: Final answer
    x = 5,299.36

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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.