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Finding the Fourth Proportional to 16,393.44, 24,557.28 and 7,616.16

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Solution

The fourth proportional to 16,393.44, 24,557.28 and 7,616.16 is: 11,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,393.44 : 24,557.28 = 7,616.16 : x
  2. Step 2: Convert to fraction form
    16,393.44/24,557.28 = 7,616.16/x
  3. Step 3: Cross multiply
    16,393.44x = 24,557.28 × 7,616.16
  4. Step 4: Simplify right side
    16,393.44x = 187,032,173.64
  5. Step 5: Solve for x
    x = 187,032,173.64/16,393.44
  6. Step 6: Final answer
    x = 11,408.96

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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.