Home / 12,465.27-17,201.25-7,748.64

Finding the Fourth Proportional to 12,465.27, 17,201.25 and 7,748.64

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Solution

The fourth proportional to 12,465.27, 17,201.25 and 7,748.64 is: 10,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.27 : 17,201.25 = 7,748.64 : x
  2. Step 2: Convert to fraction form
    12,465.27/17,201.25 = 7,748.64/x
  3. Step 3: Cross multiply
    12,465.27x = 17,201.25 × 7,748.64
  4. Step 4: Simplify right side
    12,465.27x = 133,286,293.80
  5. Step 5: Solve for x
    x = 133,286,293.80/12,465.27
  6. Step 6: Final answer
    x = 10,692.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.