Home / 10,629.72-15,942.24-4,053.60

Finding the Fourth Proportional to 10,629.72, 15,942.24 and 4,053.60

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Solution

The fourth proportional to 10,629.72, 15,942.24 and 4,053.60 is: 6,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.72 : 15,942.24 = 4,053.60 : x
  2. Step 2: Convert to fraction form
    10,629.72/15,942.24 = 4,053.60/x
  3. Step 3: Cross multiply
    10,629.72x = 15,942.24 × 4,053.60
  4. Step 4: Simplify right side
    10,629.72x = 64,623,464.06
  5. Step 5: Solve for x
    x = 64,623,464.06/10,629.72
  6. Step 6: Final answer
    x = 6,079.51

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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.