Home / 10,678.38-16,023.24-4,759.44

Finding the Fourth Proportional to 10,678.38, 16,023.24 and 4,759.44

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Solution

The fourth proportional to 10,678.38, 16,023.24 and 4,759.44 is: 7,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.38 : 16,023.24 = 4,759.44 : x
  2. Step 2: Convert to fraction form
    10,678.38/16,023.24 = 4,759.44/x
  3. Step 3: Cross multiply
    10,678.38x = 16,023.24 × 4,759.44
  4. Step 4: Simplify right side
    10,678.38x = 76,261,649.39
  5. Step 5: Solve for x
    x = 76,261,649.39/10,678.38
  6. Step 6: Final answer
    x = 7,141.69

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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.