Home / 13,908.36-20,863.82-4,548.43

Finding the Fourth Proportional to 13,908.36, 20,863.82 and 4,548.43

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Solution

The fourth proportional to 13,908.36, 20,863.82 and 4,548.43 is: 6,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.36 : 20,863.82 = 4,548.43 : x
  2. Step 2: Convert to fraction form
    13,908.36/20,863.82 = 4,548.43/x
  3. Step 3: Cross multiply
    13,908.36x = 20,863.82 × 4,548.43
  4. Step 4: Simplify right side
    13,908.36x = 94,897,536.37
  5. Step 5: Solve for x
    x = 94,897,536.37/13,908.36
  6. Step 6: Final answer
    x = 6,823.06

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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.