Home / 9,150.05-13,728.36-3,600.32

Finding the Fourth Proportional to 9,150.05, 13,728.36 and 3,600.32

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Solution

The fourth proportional to 9,150.05, 13,728.36 and 3,600.32 is: 5,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.05 : 13,728.36 = 3,600.32 : x
  2. Step 2: Convert to fraction form
    9,150.05/13,728.36 = 3,600.32/x
  3. Step 3: Cross multiply
    9,150.05x = 13,728.36 × 3,600.32
  4. Step 4: Simplify right side
    9,150.05x = 49,426,489.08
  5. Step 5: Solve for x
    x = 49,426,489.08/9,150.05
  6. Step 6: Final answer
    x = 5,401.77

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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.