Home / 13,765.60-20,635.98-4,994.38

Finding the Fourth Proportional to 13,765.60, 20,635.98 and 4,994.38

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Solution

The fourth proportional to 13,765.60, 20,635.98 and 4,994.38 is: 7,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.60 : 20,635.98 = 4,994.38 : x
  2. Step 2: Convert to fraction form
    13,765.60/20,635.98 = 4,994.38/x
  3. Step 3: Cross multiply
    13,765.60x = 20,635.98 × 4,994.38
  4. Step 4: Simplify right side
    13,765.60x = 103,063,925.79
  5. Step 5: Solve for x
    x = 103,063,925.79/13,765.60
  6. Step 6: Final answer
    x = 7,487.06

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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.