Home / 9,309.28-13,965.54-4,930.42

Finding the Fourth Proportional to 9,309.28, 13,965.54 and 4,930.42

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Solution

The fourth proportional to 9,309.28, 13,965.54 and 4,930.42 is: 7,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.28 : 13,965.54 = 4,930.42 : x
  2. Step 2: Convert to fraction form
    9,309.28/13,965.54 = 4,930.42/x
  3. Step 3: Cross multiply
    9,309.28x = 13,965.54 × 4,930.42
  4. Step 4: Simplify right side
    9,309.28x = 68,855,977.73
  5. Step 5: Solve for x
    x = 68,855,977.73/9,309.28
  6. Step 6: Final answer
    x = 7,396.49

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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.