Home / 13,626.64-20,432.52-4,262.60

Finding the Fourth Proportional to 13,626.64, 20,432.52 and 4,262.60

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Solution

The fourth proportional to 13,626.64, 20,432.52 and 4,262.60 is: 6,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.64 : 20,432.52 = 4,262.60 : x
  2. Step 2: Convert to fraction form
    13,626.64/20,432.52 = 4,262.60/x
  3. Step 3: Cross multiply
    13,626.64x = 20,432.52 × 4,262.60
  4. Step 4: Simplify right side
    13,626.64x = 87,095,659.75
  5. Step 5: Solve for x
    x = 87,095,659.75/13,626.64
  6. Step 6: Final answer
    x = 6,391.57

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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.