Home / 13,936.49-20,904.74-3,548.21

Finding the Fourth Proportional to 13,936.49, 20,904.74 and 3,548.21

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Solution

The fourth proportional to 13,936.49, 20,904.74 and 3,548.21 is: 5,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.49 : 20,904.74 = 3,548.21 : x
  2. Step 2: Convert to fraction form
    13,936.49/20,904.74 = 3,548.21/x
  3. Step 3: Cross multiply
    13,936.49x = 20,904.74 × 3,548.21
  4. Step 4: Simplify right side
    13,936.49x = 74,174,407.52
  5. Step 5: Solve for x
    x = 74,174,407.52/13,936.49
  6. Step 6: Final answer
    x = 5,322.32

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Similar ratio
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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.