Home / 9,147.35-13,718.97-5,450.63

Finding the Fourth Proportional to 9,147.35, 13,718.97 and 5,450.63

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Solution

The fourth proportional to 9,147.35, 13,718.97 and 5,450.63 is: 8,174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.35 : 13,718.97 = 5,450.63 : x
  2. Step 2: Convert to fraction form
    9,147.35/13,718.97 = 5,450.63/x
  3. Step 3: Cross multiply
    9,147.35x = 13,718.97 × 5,450.63
  4. Step 4: Simplify right side
    9,147.35x = 74,777,029.45
  5. Step 5: Solve for x
    x = 74,777,029.45/9,147.35
  6. Step 6: Final answer
    x = 8,174.72

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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.