Home / 11,692.24-16,135.36-6,387.05

Finding the Fourth Proportional to 11,692.24, 16,135.36 and 6,387.05

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Solution

The fourth proportional to 11,692.24, 16,135.36 and 6,387.05 is: 8,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.24 : 16,135.36 = 6,387.05 : x
  2. Step 2: Convert to fraction form
    11,692.24/16,135.36 = 6,387.05/x
  3. Step 3: Cross multiply
    11,692.24x = 16,135.36 × 6,387.05
  4. Step 4: Simplify right side
    11,692.24x = 103,057,375.46
  5. Step 5: Solve for x
    x = 103,057,375.46/11,692.24
  6. Step 6: Final answer
    x = 8,814.17

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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.