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Finding the Fourth Proportional to 14,351.85, 19,801.44 and 9,048.42

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Solution

The fourth proportional to 14,351.85, 19,801.44 and 9,048.42 is: 12,484.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.85 : 19,801.44 = 9,048.42 : x
  2. Step 2: Convert to fraction form
    14,351.85/19,801.44 = 9,048.42/x
  3. Step 3: Cross multiply
    14,351.85x = 19,801.44 × 9,048.42
  4. Step 4: Simplify right side
    14,351.85x = 179,171,745.72
  5. Step 5: Solve for x
    x = 179,171,745.72/14,351.85
  6. Step 6: Final answer
    x = 12,484.23

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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.