Home / 11,429.35-17,140.74-4,408.81

Finding the Fourth Proportional to 11,429.35, 17,140.74 and 4,408.81

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Solution

The fourth proportional to 11,429.35, 17,140.74 and 4,408.81 is: 6,611.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.35 : 17,140.74 = 4,408.81 : x
  2. Step 2: Convert to fraction form
    11,429.35/17,140.74 = 4,408.81/x
  3. Step 3: Cross multiply
    11,429.35x = 17,140.74 × 4,408.81
  4. Step 4: Simplify right side
    11,429.35x = 75,570,265.92
  5. Step 5: Solve for x
    x = 75,570,265.92/11,429.35
  6. Step 6: Final answer
    x = 6,611.95

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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.