Home / 22,004.26-30,371.16-12,578.32

Finding the Fourth Proportional to 22,004.26, 30,371.16 and 12,578.32

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Solution

The fourth proportional to 22,004.26, 30,371.16 and 12,578.32 is: 17,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,004.26 : 30,371.16 = 12,578.32 : x
  2. Step 2: Convert to fraction form
    22,004.26/30,371.16 = 12,578.32/x
  3. Step 3: Cross multiply
    22,004.26x = 30,371.16 × 12,578.32
  4. Step 4: Simplify right side
    22,004.26x = 382,018,169.25
  5. Step 5: Solve for x
    x = 382,018,169.25/22,004.26
  6. Step 6: Final answer
    x = 17,361.10

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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.