Home / 11,742.64-16,204.91-6,365.09

Finding the Fourth Proportional to 11,742.64, 16,204.91 and 6,365.09

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Solution

The fourth proportional to 11,742.64, 16,204.91 and 6,365.09 is: 8,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.64 : 16,204.91 = 6,365.09 : x
  2. Step 2: Convert to fraction form
    11,742.64/16,204.91 = 6,365.09/x
  3. Step 3: Cross multiply
    11,742.64x = 16,204.91 × 6,365.09
  4. Step 4: Simplify right side
    11,742.64x = 103,145,710.59
  5. Step 5: Solve for x
    x = 103,145,710.59/11,742.64
  6. Step 6: Final answer
    x = 8,783.86

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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.