Home / 11,739.26-16,200.08-6,434.06

Finding the Fourth Proportional to 11,739.26, 16,200.08 and 6,434.06

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Solution

The fourth proportional to 11,739.26, 16,200.08 and 6,434.06 is: 8,878.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.26 : 16,200.08 = 6,434.06 : x
  2. Step 2: Convert to fraction form
    11,739.26/16,200.08 = 6,434.06/x
  3. Step 3: Cross multiply
    11,739.26x = 16,200.08 × 6,434.06
  4. Step 4: Simplify right side
    11,739.26x = 104,232,286.72
  5. Step 5: Solve for x
    x = 104,232,286.72/11,739.26
  6. Step 6: Final answer
    x = 8,878.95

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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.