Home / 13,586.53-20,377.61-3,723.50

Finding the Fourth Proportional to 13,586.53, 20,377.61 and 3,723.50

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Solution

The fourth proportional to 13,586.53, 20,377.61 and 3,723.50 is: 5,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.53 : 20,377.61 = 3,723.50 : x
  2. Step 2: Convert to fraction form
    13,586.53/20,377.61 = 3,723.50/x
  3. Step 3: Cross multiply
    13,586.53x = 20,377.61 × 3,723.50
  4. Step 4: Simplify right side
    13,586.53x = 75,876,030.84
  5. Step 5: Solve for x
    x = 75,876,030.84/13,586.53
  6. Step 6: Final answer
    x = 5,584.65

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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.