Home / 10,945.60-16,418.40-4,704.55

Finding the Fourth Proportional to 10,945.60, 16,418.40 and 4,704.55

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Solution

The fourth proportional to 10,945.60, 16,418.40 and 4,704.55 is: 7,056.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.60 : 16,418.40 = 4,704.55 : x
  2. Step 2: Convert to fraction form
    10,945.60/16,418.40 = 4,704.55/x
  3. Step 3: Cross multiply
    10,945.60x = 16,418.40 × 4,704.55
  4. Step 4: Simplify right side
    10,945.60x = 77,241,183.72
  5. Step 5: Solve for x
    x = 77,241,183.72/10,945.60
  6. Step 6: Final answer
    x = 7,056.83

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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.