Home / 11,308.43-16,960.34-4,286.02

Finding the Fourth Proportional to 11,308.43, 16,960.34 and 4,286.02

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Solution

The fourth proportional to 11,308.43, 16,960.34 and 4,286.02 is: 6,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.43 : 16,960.34 = 4,286.02 : x
  2. Step 2: Convert to fraction form
    11,308.43/16,960.34 = 4,286.02/x
  3. Step 3: Cross multiply
    11,308.43x = 16,960.34 × 4,286.02
  4. Step 4: Simplify right side
    11,308.43x = 72,692,332.45
  5. Step 5: Solve for x
    x = 72,692,332.45/11,308.43
  6. Step 6: Final answer
    x = 6,428.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.