Home / 15,468.20-21,351.26-11,004.90

Finding the Fourth Proportional to 15,468.20, 21,351.26 and 11,004.90

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Solution

The fourth proportional to 15,468.20, 21,351.26 and 11,004.90 is: 15,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.20 : 21,351.26 = 11,004.90 : x
  2. Step 2: Convert to fraction form
    15,468.20/21,351.26 = 11,004.90/x
  3. Step 3: Cross multiply
    15,468.20x = 21,351.26 × 11,004.90
  4. Step 4: Simplify right side
    15,468.20x = 234,968,481.17
  5. Step 5: Solve for x
    x = 234,968,481.17/15,468.20
  6. Step 6: Final answer
    x = 15,190.42

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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.