Home / 10,307.94-15,463.03-3,286.30

Finding the Fourth Proportional to 10,307.94, 15,463.03 and 3,286.30

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Solution

The fourth proportional to 10,307.94, 15,463.03 and 3,286.30 is: 4,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.94 : 15,463.03 = 3,286.30 : x
  2. Step 2: Convert to fraction form
    10,307.94/15,463.03 = 3,286.30/x
  3. Step 3: Cross multiply
    10,307.94x = 15,463.03 × 3,286.30
  4. Step 4: Simplify right side
    10,307.94x = 50,816,155.49
  5. Step 5: Solve for x
    x = 50,816,155.49/10,307.94
  6. Step 6: Final answer
    x = 4,929.81

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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.