Home / 9,145.36-13,716.96-3,602.80

Finding the Fourth Proportional to 9,145.36, 13,716.96 and 3,602.80

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Solution

The fourth proportional to 9,145.36, 13,716.96 and 3,602.80 is: 5,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.36 : 13,716.96 = 3,602.80 : x
  2. Step 2: Convert to fraction form
    9,145.36/13,716.96 = 3,602.80/x
  3. Step 3: Cross multiply
    9,145.36x = 13,716.96 × 3,602.80
  4. Step 4: Simplify right side
    9,145.36x = 49,419,463.49
  5. Step 5: Solve for x
    x = 49,419,463.49/9,145.36
  6. Step 6: Final answer
    x = 5,403.77

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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.