Home / 23,599.36-35,420.94-11,920.78

Finding the Fourth Proportional to 23,599.36, 35,420.94 and 11,920.78

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Solution

The fourth proportional to 23,599.36, 35,420.94 and 11,920.78 is: 17,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,599.36 : 35,420.94 = 11,920.78 : x
  2. Step 2: Convert to fraction form
    23,599.36/35,420.94 = 11,920.78/x
  3. Step 3: Cross multiply
    23,599.36x = 35,420.94 × 11,920.78
  4. Step 4: Simplify right side
    23,599.36x = 422,245,233.13
  5. Step 5: Solve for x
    x = 422,245,233.13/23,599.36
  6. Step 6: Final answer
    x = 17,892.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.