Home / 13,936.59-20,905.02-3,548.34

Finding the Fourth Proportional to 13,936.59, 20,905.02 and 3,548.34

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Solution

The fourth proportional to 13,936.59, 20,905.02 and 3,548.34 is: 5,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.59 : 20,905.02 = 3,548.34 : x
  2. Step 2: Convert to fraction form
    13,936.59/20,905.02 = 3,548.34/x
  3. Step 3: Cross multiply
    13,936.59x = 20,905.02 × 3,548.34
  4. Step 4: Simplify right side
    13,936.59x = 74,178,118.67
  5. Step 5: Solve for x
    x = 74,178,118.67/13,936.59
  6. Step 6: Final answer
    x = 5,322.54

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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.