Home / 11,779.40-16,254.82-6,743.60

Finding the Fourth Proportional to 11,779.40, 16,254.82 and 6,743.60

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Solution

The fourth proportional to 11,779.40, 16,254.82 and 6,743.60 is: 9,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.40 : 16,254.82 = 6,743.60 : x
  2. Step 2: Convert to fraction form
    11,779.40/16,254.82 = 6,743.60/x
  3. Step 3: Cross multiply
    11,779.40x = 16,254.82 × 6,743.60
  4. Step 4: Simplify right side
    11,779.40x = 109,616,004.15
  5. Step 5: Solve for x
    x = 109,616,004.15/11,779.40
  6. Step 6: Final answer
    x = 9,305.74

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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.