Home / 11,701.80-16,148.48-6,396.60

Finding the Fourth Proportional to 11,701.80, 16,148.48 and 6,396.60

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Solution

The fourth proportional to 11,701.80, 16,148.48 and 6,396.60 is: 8,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.80 : 16,148.48 = 6,396.60 : x
  2. Step 2: Convert to fraction form
    11,701.80/16,148.48 = 6,396.60/x
  3. Step 3: Cross multiply
    11,701.80x = 16,148.48 × 6,396.60
  4. Step 4: Simplify right side
    11,701.80x = 103,295,367.17
  5. Step 5: Solve for x
    x = 103,295,367.17/11,701.80
  6. Step 6: Final answer
    x = 8,827.31

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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.