Home / 11,778.90-17,669.21-4,383.36

Finding the Fourth Proportional to 11,778.90, 17,669.21 and 4,383.36

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Solution

The fourth proportional to 11,778.90, 17,669.21 and 4,383.36 is: 6,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.90 : 17,669.21 = 4,383.36 : x
  2. Step 2: Convert to fraction form
    11,778.90/17,669.21 = 4,383.36/x
  3. Step 3: Cross multiply
    11,778.90x = 17,669.21 × 4,383.36
  4. Step 4: Simplify right side
    11,778.90x = 77,450,420.00
  5. Step 5: Solve for x
    x = 77,450,420.00/11,778.90
  6. Step 6: Final answer
    x = 6,575.35

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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.