Home / 13,640.90-20,452.44-6,235.07

Finding the Fourth Proportional to 13,640.90, 20,452.44 and 6,235.07

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Solution

The fourth proportional to 13,640.90, 20,452.44 and 6,235.07 is: 9,348.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640.90 : 20,452.44 = 6,235.07 : x
  2. Step 2: Convert to fraction form
    13,640.90/20,452.44 = 6,235.07/x
  3. Step 3: Cross multiply
    13,640.90x = 20,452.44 × 6,235.07
  4. Step 4: Simplify right side
    13,640.90x = 127,522,395.07
  5. Step 5: Solve for x
    x = 127,522,395.07/13,640.90
  6. Step 6: Final answer
    x = 9,348.53

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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.