Home / 10,731.60-16,095.60-2,940.48

Finding the Fourth Proportional to 10,731.60, 16,095.60 and 2,940.48

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Solution

The fourth proportional to 10,731.60, 16,095.60 and 2,940.48 is: 4,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.60 : 16,095.60 = 2,940.48 : x
  2. Step 2: Convert to fraction form
    10,731.60/16,095.60 = 2,940.48/x
  3. Step 3: Cross multiply
    10,731.60x = 16,095.60 × 2,940.48
  4. Step 4: Simplify right side
    10,731.60x = 47,328,789.89
  5. Step 5: Solve for x
    x = 47,328,789.89/10,731.60
  6. Step 6: Final answer
    x = 4,410.23

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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.