Home / 13,697.28-20,542.32-4,930.56

Finding the Fourth Proportional to 13,697.28, 20,542.32 and 4,930.56

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Solution

The fourth proportional to 13,697.28, 20,542.32 and 4,930.56 is: 7,394.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697.28 : 20,542.32 = 4,930.56 : x
  2. Step 2: Convert to fraction form
    13,697.28/20,542.32 = 4,930.56/x
  3. Step 3: Cross multiply
    13,697.28x = 20,542.32 × 4,930.56
  4. Step 4: Simplify right side
    13,697.28x = 101,285,141.30
  5. Step 5: Solve for x
    x = 101,285,141.30/13,697.28
  6. Step 6: Final answer
    x = 7,394.54

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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.