Home / 14,497.72-21,750.04-5,138.56

Finding the Fourth Proportional to 14,497.72, 21,750.04 and 5,138.56

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Solution

The fourth proportional to 14,497.72, 21,750.04 and 5,138.56 is: 7,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.72 : 21,750.04 = 5,138.56 : x
  2. Step 2: Convert to fraction form
    14,497.72/21,750.04 = 5,138.56/x
  3. Step 3: Cross multiply
    14,497.72x = 21,750.04 × 5,138.56
  4. Step 4: Simplify right side
    14,497.72x = 111,763,850.44
  5. Step 5: Solve for x
    x = 111,763,850.44/14,497.72
  6. Step 6: Final answer
    x = 7,709.06

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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.