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Finding the Fourth Proportional to 17,745.44, 24,488.34 and 9,787.67

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Solution

The fourth proportional to 17,745.44, 24,488.34 and 9,787.67 is: 13,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.44 : 24,488.34 = 9,787.67 : x
  2. Step 2: Convert to fraction form
    17,745.44/24,488.34 = 9,787.67/x
  3. Step 3: Cross multiply
    17,745.44x = 24,488.34 × 9,787.67
  4. Step 4: Simplify right side
    17,745.44x = 239,683,668.33
  5. Step 5: Solve for x
    x = 239,683,668.33/17,745.44
  6. Step 6: Final answer
    x = 13,506.78

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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.