Home / 21,952.26-30,294.11-11,880.70

Finding the Fourth Proportional to 21,952.26, 30,294.11 and 11,880.70

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Solution

The fourth proportional to 21,952.26, 30,294.11 and 11,880.70 is: 16,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.26 : 30,294.11 = 11,880.70 : x
  2. Step 2: Convert to fraction form
    21,952.26/30,294.11 = 11,880.70/x
  3. Step 3: Cross multiply
    21,952.26x = 30,294.11 × 11,880.70
  4. Step 4: Simplify right side
    21,952.26x = 359,915,232.68
  5. Step 5: Solve for x
    x = 359,915,232.68/21,952.26
  6. Step 6: Final answer
    x = 16,395.36

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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.