Home / 11,529.67-15,912.45-6,494.86

Finding the Fourth Proportional to 11,529.67, 15,912.45 and 6,494.86

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Solution

The fourth proportional to 11,529.67, 15,912.45 and 6,494.86 is: 8,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.67 : 15,912.45 = 6,494.86 : x
  2. Step 2: Convert to fraction form
    11,529.67/15,912.45 = 6,494.86/x
  3. Step 3: Cross multiply
    11,529.67x = 15,912.45 × 6,494.86
  4. Step 4: Simplify right side
    11,529.67x = 103,349,179.25
  5. Step 5: Solve for x
    x = 103,349,179.25/11,529.67
  6. Step 6: Final answer
    x = 8,963.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.