Home / 12,107.30-18,160.88-3,223.53

Finding the Fourth Proportional to 12,107.30, 18,160.88 and 3,223.53

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Solution

The fourth proportional to 12,107.30, 18,160.88 and 3,223.53 is: 4,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.30 : 18,160.88 = 3,223.53 : x
  2. Step 2: Convert to fraction form
    12,107.30/18,160.88 = 3,223.53/x
  3. Step 3: Cross multiply
    12,107.30x = 18,160.88 × 3,223.53
  4. Step 4: Simplify right side
    12,107.30x = 58,542,125.39
  5. Step 5: Solve for x
    x = 58,542,125.39/12,107.30
  6. Step 6: Final answer
    x = 4,835.28

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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.