Home / 13,795.98-20,686.82-6,772.86

Finding the Fourth Proportional to 13,795.98, 20,686.82 and 6,772.86

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Solution

The fourth proportional to 13,795.98, 20,686.82 and 6,772.86 is: 10,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.98 : 20,686.82 = 6,772.86 : x
  2. Step 2: Convert to fraction form
    13,795.98/20,686.82 = 6,772.86/x
  3. Step 3: Cross multiply
    13,795.98x = 20,686.82 × 6,772.86
  4. Step 4: Simplify right side
    13,795.98x = 140,108,935.71
  5. Step 5: Solve for x
    x = 140,108,935.71/13,795.98
  6. Step 6: Final answer
    x = 10,155.78

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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.