Home / 20,322.97-30,463.53-11,539.33

Finding the Fourth Proportional to 20,322.97, 30,463.53 and 11,539.33

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Solution

The fourth proportional to 20,322.97, 30,463.53 and 11,539.33 is: 17,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322.97 : 30,463.53 = 11,539.33 : x
  2. Step 2: Convert to fraction form
    20,322.97/30,463.53 = 11,539.33/x
  3. Step 3: Cross multiply
    20,322.97x = 30,463.53 × 11,539.33
  4. Step 4: Simplify right side
    20,322.97x = 351,528,725.63
  5. Step 5: Solve for x
    x = 351,528,725.63/20,322.97
  6. Step 6: Final answer
    x = 17,297.11

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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.