Home / 11,692.41-16,135.53-6,387.23

Finding the Fourth Proportional to 11,692.41, 16,135.53 and 6,387.23

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Solution

The fourth proportional to 11,692.41, 16,135.53 and 6,387.23 is: 8,814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.41 : 16,135.53 = 6,387.23 : x
  2. Step 2: Convert to fraction form
    11,692.41/16,135.53 = 6,387.23/x
  3. Step 3: Cross multiply
    11,692.41x = 16,135.53 × 6,387.23
  4. Step 4: Simplify right side
    11,692.41x = 103,061,357.67
  5. Step 5: Solve for x
    x = 103,061,357.67/11,692.41
  6. Step 6: Final answer
    x = 8,814.38

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Find fourth proportional to 11,693.41, 16,136.91 and 6,388.23
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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.