Home / 12,476.29-17,188.03-8,692.61

Finding the Fourth Proportional to 12,476.29, 17,188.03 and 8,692.61

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Solution

The fourth proportional to 12,476.29, 17,188.03 and 8,692.61 is: 11,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.29 : 17,188.03 = 8,692.61 : x
  2. Step 2: Convert to fraction form
    12,476.29/17,188.03 = 8,692.61/x
  3. Step 3: Cross multiply
    12,476.29x = 17,188.03 × 8,692.61
  4. Step 4: Simplify right side
    12,476.29x = 149,408,841.46
  5. Step 5: Solve for x
    x = 149,408,841.46/12,476.29
  6. Step 6: Final answer
    x = 11,975.42

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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.