Home / 13,508.64-20,261.44-3,648.92

Finding the Fourth Proportional to 13,508.64, 20,261.44 and 3,648.92

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Solution

The fourth proportional to 13,508.64, 20,261.44 and 3,648.92 is: 5,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.64 : 20,261.44 = 3,648.92 : x
  2. Step 2: Convert to fraction form
    13,508.64/20,261.44 = 3,648.92/x
  3. Step 3: Cross multiply
    13,508.64x = 20,261.44 × 3,648.92
  4. Step 4: Simplify right side
    13,508.64x = 73,932,373.64
  5. Step 5: Solve for x
    x = 73,932,373.64/13,508.64
  6. Step 6: Final answer
    x = 5,472.97

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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.