Home / 11,818.44-16,309.80-6,513.60

Finding the Fourth Proportional to 11,818.44, 16,309.80 and 6,513.60

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Solution

The fourth proportional to 11,818.44, 16,309.80 and 6,513.60 is: 8,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.44 : 16,309.80 = 6,513.60 : x
  2. Step 2: Convert to fraction form
    11,818.44/16,309.80 = 6,513.60/x
  3. Step 3: Cross multiply
    11,818.44x = 16,309.80 × 6,513.60
  4. Step 4: Simplify right side
    11,818.44x = 106,235,513.28
  5. Step 5: Solve for x
    x = 106,235,513.28/11,818.44
  6. Step 6: Final answer
    x = 8,988.96

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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.