Home / 12,650.74-17,466.15-8,181.34

Finding the Fourth Proportional to 12,650.74, 17,466.15 and 8,181.34

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Solution

The fourth proportional to 12,650.74, 17,466.15 and 8,181.34 is: 11,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.74 : 17,466.15 = 8,181.34 : x
  2. Step 2: Convert to fraction form
    12,650.74/17,466.15 = 8,181.34/x
  3. Step 3: Cross multiply
    12,650.74x = 17,466.15 × 8,181.34
  4. Step 4: Simplify right side
    12,650.74x = 142,896,511.64
  5. Step 5: Solve for x
    x = 142,896,511.64/12,650.74
  6. Step 6: Final answer
    x = 11,295.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.