Home / 18,741.52-28,090.92-6,258.64

Finding the Fourth Proportional to 18,741.52, 28,090.92 and 6,258.64

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Solution

The fourth proportional to 18,741.52, 28,090.92 and 6,258.64 is: 9,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.52 : 28,090.92 = 6,258.64 : x
  2. Step 2: Convert to fraction form
    18,741.52/28,090.92 = 6,258.64/x
  3. Step 3: Cross multiply
    18,741.52x = 28,090.92 × 6,258.64
  4. Step 4: Simplify right side
    18,741.52x = 175,810,955.55
  5. Step 5: Solve for x
    x = 175,810,955.55/18,741.52
  6. Step 6: Final answer
    x = 9,380.83

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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.