Home / 9,936.64-13,712.49-5,399.41

Finding the Fourth Proportional to 9,936.64, 13,712.49 and 5,399.41

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Solution

The fourth proportional to 9,936.64, 13,712.49 and 5,399.41 is: 7,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.64 : 13,712.49 = 5,399.41 : x
  2. Step 2: Convert to fraction form
    9,936.64/13,712.49 = 5,399.41/x
  3. Step 3: Cross multiply
    9,936.64x = 13,712.49 × 5,399.41
  4. Step 4: Simplify right side
    9,936.64x = 74,039,355.63
  5. Step 5: Solve for x
    x = 74,039,355.63/9,936.64
  6. Step 6: Final answer
    x = 7,451.15

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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.