Home / 13,293.86-19,943.90-4,408.55

Finding the Fourth Proportional to 13,293.86, 19,943.90 and 4,408.55

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Solution

The fourth proportional to 13,293.86, 19,943.90 and 4,408.55 is: 6,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.86 : 19,943.90 = 4,408.55 : x
  2. Step 2: Convert to fraction form
    13,293.86/19,943.90 = 4,408.55/x
  3. Step 3: Cross multiply
    13,293.86x = 19,943.90 × 4,408.55
  4. Step 4: Simplify right side
    13,293.86x = 87,923,558.58
  5. Step 5: Solve for x
    x = 87,923,558.58/13,293.86
  6. Step 6: Final answer
    x = 6,613.85

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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.