Home / 17,351.72-25,963.64-12,270.90

Finding the Fourth Proportional to 17,351.72, 25,963.64 and 12,270.90

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Solution

The fourth proportional to 17,351.72, 25,963.64 and 12,270.90 is: 18,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,351.72 : 25,963.64 = 12,270.90 : x
  2. Step 2: Convert to fraction form
    17,351.72/25,963.64 = 12,270.90/x
  3. Step 3: Cross multiply
    17,351.72x = 25,963.64 × 12,270.90
  4. Step 4: Simplify right side
    17,351.72x = 318,597,038.90
  5. Step 5: Solve for x
    x = 318,597,038.90/17,351.72
  6. Step 6: Final answer
    x = 18,361.12

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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.