Home / 13,796.73-20,678.89-6,385.53

Finding the Fourth Proportional to 13,796.73, 20,678.89 and 6,385.53

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Solution

The fourth proportional to 13,796.73, 20,678.89 and 6,385.53 is: 9,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.73 : 20,678.89 = 6,385.53 : x
  2. Step 2: Convert to fraction form
    13,796.73/20,678.89 = 6,385.53/x
  3. Step 3: Cross multiply
    13,796.73x = 20,678.89 × 6,385.53
  4. Step 4: Simplify right side
    13,796.73x = 132,045,672.46
  5. Step 5: Solve for x
    x = 132,045,672.46/13,796.73
  6. Step 6: Final answer
    x = 9,570.79

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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.