Home / 13,676.97-20,507.25-6,272.15

Finding the Fourth Proportional to 13,676.97, 20,507.25 and 6,272.15

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Solution

The fourth proportional to 13,676.97, 20,507.25 and 6,272.15 is: 9,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.97 : 20,507.25 = 6,272.15 : x
  2. Step 2: Convert to fraction form
    13,676.97/20,507.25 = 6,272.15/x
  3. Step 3: Cross multiply
    13,676.97x = 20,507.25 × 6,272.15
  4. Step 4: Simplify right side
    13,676.97x = 128,624,599.36
  5. Step 5: Solve for x
    x = 128,624,599.36/13,676.97
  6. Step 6: Final answer
    x = 9,404.47

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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.