Home / 9,147.17-13,720.48-3,596.51

Finding the Fourth Proportional to 9,147.17, 13,720.48 and 3,596.51

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Solution

The fourth proportional to 9,147.17, 13,720.48 and 3,596.51 is: 5,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.17 : 13,720.48 = 3,596.51 : x
  2. Step 2: Convert to fraction form
    9,147.17/13,720.48 = 3,596.51/x
  3. Step 3: Cross multiply
    9,147.17x = 13,720.48 × 3,596.51
  4. Step 4: Simplify right side
    9,147.17x = 49,345,843.52
  5. Step 5: Solve for x
    x = 49,345,843.52/9,147.17
  6. Step 6: Final answer
    x = 5,394.66

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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.