Home / 10,308.48-15,463.85-3,286.86

Finding the Fourth Proportional to 10,308.48, 15,463.85 and 3,286.86

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Solution

The fourth proportional to 10,308.48, 15,463.85 and 3,286.86 is: 4,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.48 : 15,463.85 = 3,286.86 : x
  2. Step 2: Convert to fraction form
    10,308.48/15,463.85 = 3,286.86/x
  3. Step 3: Cross multiply
    10,308.48x = 15,463.85 × 3,286.86
  4. Step 4: Simplify right side
    10,308.48x = 50,827,510.01
  5. Step 5: Solve for x
    x = 50,827,510.01/10,308.48
  6. Step 6: Final answer
    x = 4,930.65

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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.