Home / 16,478.70-24,722.26-4,791.92

Finding the Fourth Proportional to 16,478.70, 24,722.26 and 4,791.92

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Solution

The fourth proportional to 16,478.70, 24,722.26 and 4,791.92 is: 7,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.70 : 24,722.26 = 4,791.92 : x
  2. Step 2: Convert to fraction form
    16,478.70/24,722.26 = 4,791.92/x
  3. Step 3: Cross multiply
    16,478.70x = 24,722.26 × 4,791.92
  4. Step 4: Simplify right side
    16,478.70x = 118,466,956.55
  5. Step 5: Solve for x
    x = 118,466,956.55/16,478.70
  6. Step 6: Final answer
    x = 7,189.10

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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.