Home / 13,757.45-20,603.36-7,508.09

Finding the Fourth Proportional to 13,757.45, 20,603.36 and 7,508.09

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Solution

The fourth proportional to 13,757.45, 20,603.36 and 7,508.09 is: 11,244.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.45 : 20,603.36 = 7,508.09 : x
  2. Step 2: Convert to fraction form
    13,757.45/20,603.36 = 7,508.09/x
  3. Step 3: Cross multiply
    13,757.45x = 20,603.36 × 7,508.09
  4. Step 4: Simplify right side
    13,757.45x = 154,691,951.46
  5. Step 5: Solve for x
    x = 154,691,951.46/13,757.45
  6. Step 6: Final answer
    x = 11,244.24

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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.