Home / 13,374.88-20,056.12-4,939.25

Finding the Fourth Proportional to 13,374.88, 20,056.12 and 4,939.25

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Solution

The fourth proportional to 13,374.88, 20,056.12 and 4,939.25 is: 7,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.88 : 20,056.12 = 4,939.25 : x
  2. Step 2: Convert to fraction form
    13,374.88/20,056.12 = 4,939.25/x
  3. Step 3: Cross multiply
    13,374.88x = 20,056.12 × 4,939.25
  4. Step 4: Simplify right side
    13,374.88x = 99,062,078.08
  5. Step 5: Solve for x
    x = 99,062,078.08/13,374.88
  6. Step 6: Final answer
    x = 7,406.58

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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.