Home / 9,165.36-13,738.80-3,616.55

Finding the Fourth Proportional to 9,165.36, 13,738.80 and 3,616.55

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Solution

The fourth proportional to 9,165.36, 13,738.80 and 3,616.55 is: 5,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.36 : 13,738.80 = 3,616.55 : x
  2. Step 2: Convert to fraction form
    9,165.36/13,738.80 = 3,616.55/x
  3. Step 3: Cross multiply
    9,165.36x = 13,738.80 × 3,616.55
  4. Step 4: Simplify right side
    9,165.36x = 49,687,057.14
  5. Step 5: Solve for x
    x = 49,687,057.14/9,165.36
  6. Step 6: Final answer
    x = 5,421.18

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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.