Home / 10,731.36-16,094.57-2,940.78

Finding the Fourth Proportional to 10,731.36, 16,094.57 and 2,940.78

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Solution

The fourth proportional to 10,731.36, 16,094.57 and 2,940.78 is: 4,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.36 : 16,094.57 = 2,940.78 : x
  2. Step 2: Convert to fraction form
    10,731.36/16,094.57 = 2,940.78/x
  3. Step 3: Cross multiply
    10,731.36x = 16,094.57 × 2,940.78
  4. Step 4: Simplify right side
    10,731.36x = 47,330,509.09
  5. Step 5: Solve for x
    x = 47,330,509.09/10,731.36
  6. Step 6: Final answer
    x = 4,410.49

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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.