Home / 11,692.12-16,134.53-6,385.91

Finding the Fourth Proportional to 11,692.12, 16,134.53 and 6,385.91

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Solution

The fourth proportional to 11,692.12, 16,134.53 and 6,385.91 is: 8,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.12 : 16,134.53 = 6,385.91 : x
  2. Step 2: Convert to fraction form
    11,692.12/16,134.53 = 6,385.91/x
  3. Step 3: Cross multiply
    11,692.12x = 16,134.53 × 6,385.91
  4. Step 4: Simplify right side
    11,692.12x = 103,033,664.88
  5. Step 5: Solve for x
    x = 103,033,664.88/11,692.12
  6. Step 6: Final answer
    x = 8,812.23

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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.