Home / 16,907.33-23,351.25-11,520.42

Finding the Fourth Proportional to 16,907.33, 23,351.25 and 11,520.42

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Solution

The fourth proportional to 16,907.33, 23,351.25 and 11,520.42 is: 15,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.33 : 23,351.25 = 11,520.42 : x
  2. Step 2: Convert to fraction form
    16,907.33/23,351.25 = 11,520.42/x
  3. Step 3: Cross multiply
    16,907.33x = 23,351.25 × 11,520.42
  4. Step 4: Simplify right side
    16,907.33x = 269,016,207.53
  5. Step 5: Solve for x
    x = 269,016,207.53/16,907.33
  6. Step 6: Final answer
    x = 15,911.22

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Half scale
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Double scale
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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.