Home / 11,516.38-17,280.95-10,679.85

Finding the Fourth Proportional to 11,516.38, 17,280.95 and 10,679.85

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Solution

The fourth proportional to 11,516.38, 17,280.95 and 10,679.85 is: 16,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.38 : 17,280.95 = 10,679.85 : x
  2. Step 2: Convert to fraction form
    11,516.38/17,280.95 = 10,679.85/x
  3. Step 3: Cross multiply
    11,516.38x = 17,280.95 × 10,679.85
  4. Step 4: Simplify right side
    11,516.38x = 184,557,900.46
  5. Step 5: Solve for x
    x = 184,557,900.46/11,516.38
  6. Step 6: Final answer
    x = 16,025.69

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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.