Home / 13,930.70-20,895.83-5,610.52

Finding the Fourth Proportional to 13,930.70, 20,895.83 and 5,610.52

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Solution

The fourth proportional to 13,930.70, 20,895.83 and 5,610.52 is: 8,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.70 : 20,895.83 = 5,610.52 : x
  2. Step 2: Convert to fraction form
    13,930.70/20,895.83 = 5,610.52/x
  3. Step 3: Cross multiply
    13,930.70x = 20,895.83 × 5,610.52
  4. Step 4: Simplify right side
    13,930.70x = 117,236,472.13
  5. Step 5: Solve for x
    x = 117,236,472.13/13,930.70
  6. Step 6: Final answer
    x = 8,415.69

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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.