Home / 20,150.60-30,196.20-14,615.60

Finding the Fourth Proportional to 20,150.60, 30,196.20 and 14,615.60

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Solution

The fourth proportional to 20,150.60, 30,196.20 and 14,615.60 is: 21,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.60 : 30,196.20 = 14,615.60 : x
  2. Step 2: Convert to fraction form
    20,150.60/30,196.20 = 14,615.60/x
  3. Step 3: Cross multiply
    20,150.60x = 30,196.20 × 14,615.60
  4. Step 4: Simplify right side
    20,150.60x = 441,335,580.72
  5. Step 5: Solve for x
    x = 441,335,580.72/20,150.60
  6. Step 6: Final answer
    x = 21,901.86

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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.