Home / 20,966.26-28,933.88-11,534.84

Finding the Fourth Proportional to 20,966.26, 28,933.88 and 11,534.84

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Solution

The fourth proportional to 20,966.26, 28,933.88 and 11,534.84 is: 15,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,966.26 : 28,933.88 = 11,534.84 : x
  2. Step 2: Convert to fraction form
    20,966.26/28,933.88 = 11,534.84/x
  3. Step 3: Cross multiply
    20,966.26x = 28,933.88 × 11,534.84
  4. Step 4: Simplify right side
    20,966.26x = 333,747,676.38
  5. Step 5: Solve for x
    x = 333,747,676.38/20,966.26
  6. Step 6: Final answer
    x = 15,918.32

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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.