Home / 11,145.74-16,712.42-4,576.54

Finding the Fourth Proportional to 11,145.74, 16,712.42 and 4,576.54

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Solution

The fourth proportional to 11,145.74, 16,712.42 and 4,576.54 is: 6,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.74 : 16,712.42 = 4,576.54 : x
  2. Step 2: Convert to fraction form
    11,145.74/16,712.42 = 4,576.54/x
  3. Step 3: Cross multiply
    11,145.74x = 16,712.42 × 4,576.54
  4. Step 4: Simplify right side
    11,145.74x = 76,485,058.63
  5. Step 5: Solve for x
    x = 76,485,058.63/11,145.74
  6. Step 6: Final answer
    x = 6,862.27

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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.