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Finding the Fourth Proportional to 9,613.99, 14,420.99 and 3,772.27

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Solution

The fourth proportional to 9,613.99, 14,420.99 and 3,772.27 is: 5,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.99 : 14,420.99 = 3,772.27 : x
  2. Step 2: Convert to fraction form
    9,613.99/14,420.99 = 3,772.27/x
  3. Step 3: Cross multiply
    9,613.99x = 14,420.99 × 3,772.27
  4. Step 4: Simplify right side
    9,613.99x = 54,399,867.95
  5. Step 5: Solve for x
    x = 54,399,867.95/9,613.99
  6. Step 6: Final answer
    x = 5,658.41

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.