Home / 10,679.94-16,021.76-4,758.93

Finding the Fourth Proportional to 10,679.94, 16,021.76 and 4,758.93

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Solution

The fourth proportional to 10,679.94, 16,021.76 and 4,758.93 is: 7,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.94 : 16,021.76 = 4,758.93 : x
  2. Step 2: Convert to fraction form
    10,679.94/16,021.76 = 4,758.93/x
  3. Step 3: Cross multiply
    10,679.94x = 16,021.76 × 4,758.93
  4. Step 4: Simplify right side
    10,679.94x = 76,246,410.52
  5. Step 5: Solve for x
    x = 76,246,410.52/10,679.94
  6. Step 6: Final answer
    x = 7,139.22

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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.