Home / 13,551.60-20,335.50-4,793.88

Finding the Fourth Proportional to 13,551.60, 20,335.50 and 4,793.88

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Solution

The fourth proportional to 13,551.60, 20,335.50 and 4,793.88 is: 7,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.60 : 20,335.50 = 4,793.88 : x
  2. Step 2: Convert to fraction form
    13,551.60/20,335.50 = 4,793.88/x
  3. Step 3: Cross multiply
    13,551.60x = 20,335.50 × 4,793.88
  4. Step 4: Simplify right side
    13,551.60x = 97,485,946.74
  5. Step 5: Solve for x
    x = 97,485,946.74/13,551.60
  6. Step 6: Final answer
    x = 7,193.69

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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.