Home / 13,432.49-20,148.73-4,198.49

Finding the Fourth Proportional to 13,432.49, 20,148.73 and 4,198.49

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Solution

The fourth proportional to 13,432.49, 20,148.73 and 4,198.49 is: 6,297.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.49 : 20,148.73 = 4,198.49 : x
  2. Step 2: Convert to fraction form
    13,432.49/20,148.73 = 4,198.49/x
  3. Step 3: Cross multiply
    13,432.49x = 20,148.73 × 4,198.49
  4. Step 4: Simplify right side
    13,432.49x = 84,594,241.42
  5. Step 5: Solve for x
    x = 84,594,241.42/13,432.49
  6. Step 6: Final answer
    x = 6,297.73

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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.