Home / 13,936.56-20,903.04-3,547.68

Finding the Fourth Proportional to 13,936.56, 20,903.04 and 3,547.68

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Solution

The fourth proportional to 13,936.56, 20,903.04 and 3,547.68 is: 5,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.56 : 20,903.04 = 3,547.68 : x
  2. Step 2: Convert to fraction form
    13,936.56/20,903.04 = 3,547.68/x
  3. Step 3: Cross multiply
    13,936.56x = 20,903.04 × 3,547.68
  4. Step 4: Simplify right side
    13,936.56x = 74,157,296.95
  5. Step 5: Solve for x
    x = 74,157,296.95/13,936.56
  6. Step 6: Final answer
    x = 5,321.06

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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.