Home / 12,261.90-16,922.10-6,958.44

Finding the Fourth Proportional to 12,261.90, 16,922.10 and 6,958.44

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Solution

The fourth proportional to 12,261.90, 16,922.10 and 6,958.44 is: 9,603.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.90 : 16,922.10 = 6,958.44 : x
  2. Step 2: Convert to fraction form
    12,261.90/16,922.10 = 6,958.44/x
  3. Step 3: Cross multiply
    12,261.90x = 16,922.10 × 6,958.44
  4. Step 4: Simplify right side
    12,261.90x = 117,751,417.52
  5. Step 5: Solve for x
    x = 117,751,417.52/12,261.90
  6. Step 6: Final answer
    x = 9,603.03

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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.