Home / 13,601.24-20,405.30-6,584.61

Finding the Fourth Proportional to 13,601.24, 20,405.30 and 6,584.61

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Solution

The fourth proportional to 13,601.24, 20,405.30 and 6,584.61 is: 9,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.24 : 20,405.30 = 6,584.61 : x
  2. Step 2: Convert to fraction form
    13,601.24/20,405.30 = 6,584.61/x
  3. Step 3: Cross multiply
    13,601.24x = 20,405.30 × 6,584.61
  4. Step 4: Simplify right side
    13,601.24x = 134,360,909.51
  5. Step 5: Solve for x
    x = 134,360,909.51/13,601.24
  6. Step 6: Final answer
    x = 9,878.58

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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.