Home / 13,972.69-20,958.83-3,442.83

Finding the Fourth Proportional to 13,972.69, 20,958.83 and 3,442.83

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Solution

The fourth proportional to 13,972.69, 20,958.83 and 3,442.83 is: 5,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.69 : 20,958.83 = 3,442.83 : x
  2. Step 2: Convert to fraction form
    13,972.69/20,958.83 = 3,442.83/x
  3. Step 3: Cross multiply
    13,972.69x = 20,958.83 × 3,442.83
  4. Step 4: Simplify right side
    13,972.69x = 72,157,688.69
  5. Step 5: Solve for x
    x = 72,157,688.69/13,972.69
  6. Step 6: Final answer
    x = 5,164.19

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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.