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Finding the Fourth Proportional to 19,447.44, 29,171.16 and 5,596.44

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Solution

The fourth proportional to 19,447.44, 29,171.16 and 5,596.44 is: 8,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.44 : 29,171.16 = 5,596.44 : x
  2. Step 2: Convert to fraction form
    19,447.44/29,171.16 = 5,596.44/x
  3. Step 3: Cross multiply
    19,447.44x = 29,171.16 × 5,596.44
  4. Step 4: Simplify right side
    19,447.44x = 163,254,646.67
  5. Step 5: Solve for x
    x = 163,254,646.67/19,447.44
  6. Step 6: Final answer
    x = 8,394.66

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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.