Home / 17,121.90-23,627.78-9,568.29

Finding the Fourth Proportional to 17,121.90, 23,627.78 and 9,568.29

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Solution

The fourth proportional to 17,121.90, 23,627.78 and 9,568.29 is: 13,203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.90 : 23,627.78 = 9,568.29 : x
  2. Step 2: Convert to fraction form
    17,121.90/23,627.78 = 9,568.29/x
  3. Step 3: Cross multiply
    17,121.90x = 23,627.78 × 9,568.29
  4. Step 4: Simplify right side
    17,121.90x = 226,077,403.25
  5. Step 5: Solve for x
    x = 226,077,403.25/17,121.90
  6. Step 6: Final answer
    x = 13,203.99

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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.