Home / 11,530.07-15,912.30-6,425.91

Finding the Fourth Proportional to 11,530.07, 15,912.30 and 6,425.91

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Solution

The fourth proportional to 11,530.07, 15,912.30 and 6,425.91 is: 8,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.07 : 15,912.30 = 6,425.91 : x
  2. Step 2: Convert to fraction form
    11,530.07/15,912.30 = 6,425.91/x
  3. Step 3: Cross multiply
    11,530.07x = 15,912.30 × 6,425.91
  4. Step 4: Simplify right side
    11,530.07x = 102,250,991.56
  5. Step 5: Solve for x
    x = 102,250,991.56/11,530.07
  6. Step 6: Final answer
    x = 8,868.21

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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.