Home / 8,725.64-13,137.59-7,692.27

Finding the Fourth Proportional to 8,725.64, 13,137.59 and 7,692.27

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Solution

The fourth proportional to 8,725.64, 13,137.59 and 7,692.27 is: 11,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.64 : 13,137.59 = 7,692.27 : x
  2. Step 2: Convert to fraction form
    8,725.64/13,137.59 = 7,692.27/x
  3. Step 3: Cross multiply
    8,725.64x = 13,137.59 × 7,692.27
  4. Step 4: Simplify right side
    8,725.64x = 101,057,850.97
  5. Step 5: Solve for x
    x = 101,057,850.97/8,725.64
  6. Step 6: Final answer
    x = 11,581.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.