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Finding the Fourth Proportional to 9,593.44, 13,239.12 and 5,401.84

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Solution

The fourth proportional to 9,593.44, 13,239.12 and 5,401.84 is: 7,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,593.44 : 13,239.12 = 5,401.84 : x
  2. Step 2: Convert to fraction form
    9,593.44/13,239.12 = 5,401.84/x
  3. Step 3: Cross multiply
    9,593.44x = 13,239.12 × 5,401.84
  4. Step 4: Simplify right side
    9,593.44x = 71,515,607.98
  5. Step 5: Solve for x
    x = 71,515,607.98/9,593.44
  6. Step 6: Final answer
    x = 7,454.64

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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.