Home / 17,028.20-23,474.04-11,977.40

Finding the Fourth Proportional to 17,028.20, 23,474.04 and 11,977.40

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Solution

The fourth proportional to 17,028.20, 23,474.04 and 11,977.40 is: 16,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,028.20 : 23,474.04 = 11,977.40 : x
  2. Step 2: Convert to fraction form
    17,028.20/23,474.04 = 11,977.40/x
  3. Step 3: Cross multiply
    17,028.20x = 23,474.04 × 11,977.40
  4. Step 4: Simplify right side
    17,028.20x = 281,157,966.70
  5. Step 5: Solve for x
    x = 281,157,966.70/17,028.20
  6. Step 6: Final answer
    x = 16,511.31

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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.