Home / 13,544.38-20,327.50-6,972.44

Finding the Fourth Proportional to 13,544.38, 20,327.50 and 6,972.44

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Solution

The fourth proportional to 13,544.38, 20,327.50 and 6,972.44 is: 10,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.38 : 20,327.50 = 6,972.44 : x
  2. Step 2: Convert to fraction form
    13,544.38/20,327.50 = 6,972.44/x
  3. Step 3: Cross multiply
    13,544.38x = 20,327.50 × 6,972.44
  4. Step 4: Simplify right side
    13,544.38x = 141,732,274.10
  5. Step 5: Solve for x
    x = 141,732,274.10/13,544.38
  6. Step 6: Final answer
    x = 10,464.29

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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.