Home / 9,529.94-13,151.36-5,553.78

Finding the Fourth Proportional to 9,529.94, 13,151.36 and 5,553.78

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Solution

The fourth proportional to 9,529.94, 13,151.36 and 5,553.78 is: 7,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,529.94 : 13,151.36 = 5,553.78 : x
  2. Step 2: Convert to fraction form
    9,529.94/13,151.36 = 5,553.78/x
  3. Step 3: Cross multiply
    9,529.94x = 13,151.36 × 5,553.78
  4. Step 4: Simplify right side
    9,529.94x = 73,039,760.14
  5. Step 5: Solve for x
    x = 73,039,760.14/9,529.94
  6. Step 6: Final answer
    x = 7,664.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.