Home / 12,629.88-18,942.78-5,966.36

Finding the Fourth Proportional to 12,629.88, 18,942.78 and 5,966.36

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Solution

The fourth proportional to 12,629.88, 18,942.78 and 5,966.36 is: 8,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.88 : 18,942.78 = 5,966.36 : x
  2. Step 2: Convert to fraction form
    12,629.88/18,942.78 = 5,966.36/x
  3. Step 3: Cross multiply
    12,629.88x = 18,942.78 × 5,966.36
  4. Step 4: Simplify right side
    12,629.88x = 113,019,492.24
  5. Step 5: Solve for x
    x = 113,019,492.24/12,629.88
  6. Step 6: Final answer
    x = 8,948.58

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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.