Home / 9,414.40-14,121.60-5,029.60

Finding the Fourth Proportional to 9,414.40, 14,121.60 and 5,029.60

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Solution

The fourth proportional to 9,414.40, 14,121.60 and 5,029.60 is: 7,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.40 : 14,121.60 = 5,029.60 : x
  2. Step 2: Convert to fraction form
    9,414.40/14,121.60 = 5,029.60/x
  3. Step 3: Cross multiply
    9,414.40x = 14,121.60 × 5,029.60
  4. Step 4: Simplify right side
    9,414.40x = 71,025,999.36
  5. Step 5: Solve for x
    x = 71,025,999.36/9,414.40
  6. Step 6: Final answer
    x = 7,544.40

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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.