Home / 13,408.02-20,114.28-4,975.02

Finding the Fourth Proportional to 13,408.02, 20,114.28 and 4,975.02

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Solution

The fourth proportional to 13,408.02, 20,114.28 and 4,975.02 is: 7,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408.02 : 20,114.28 = 4,975.02 : x
  2. Step 2: Convert to fraction form
    13,408.02/20,114.28 = 4,975.02/x
  3. Step 3: Cross multiply
    13,408.02x = 20,114.28 × 4,975.02
  4. Step 4: Simplify right side
    13,408.02x = 100,068,945.29
  5. Step 5: Solve for x
    x = 100,068,945.29/13,408.02
  6. Step 6: Final answer
    x = 7,463.36

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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.