Home / 12,084.74-16,676.72-6,779.54

Finding the Fourth Proportional to 12,084.74, 16,676.72 and 6,779.54

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Solution

The fourth proportional to 12,084.74, 16,676.72 and 6,779.54 is: 9,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.74 : 16,676.72 = 6,779.54 : x
  2. Step 2: Convert to fraction form
    12,084.74/16,676.72 = 6,779.54/x
  3. Step 3: Cross multiply
    12,084.74x = 16,676.72 × 6,779.54
  4. Step 4: Simplify right side
    12,084.74x = 113,060,490.31
  5. Step 5: Solve for x
    x = 113,060,490.31/12,084.74
  6. Step 6: Final answer
    x = 9,355.64

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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.