Home / 13,554.64-20,333.92-4,195.44

Finding the Fourth Proportional to 13,554.64, 20,333.92 and 4,195.44

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Solution

The fourth proportional to 13,554.64, 20,333.92 and 4,195.44 is: 6,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.64 : 20,333.92 = 4,195.44 : x
  2. Step 2: Convert to fraction form
    13,554.64/20,333.92 = 4,195.44/x
  3. Step 3: Cross multiply
    13,554.64x = 20,333.92 × 4,195.44
  4. Step 4: Simplify right side
    13,554.64x = 85,309,741.32
  5. Step 5: Solve for x
    x = 85,309,741.32/13,554.64
  6. Step 6: Final answer
    x = 6,293.77

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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.