Home / 11,005.63-15,190.49-6,757.71

Finding the Fourth Proportional to 11,005.63, 15,190.49 and 6,757.71

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Solution

The fourth proportional to 11,005.63, 15,190.49 and 6,757.71 is: 9,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.63 : 15,190.49 = 6,757.71 : x
  2. Step 2: Convert to fraction form
    11,005.63/15,190.49 = 6,757.71/x
  3. Step 3: Cross multiply
    11,005.63x = 15,190.49 × 6,757.71
  4. Step 4: Simplify right side
    11,005.63x = 102,652,892.39
  5. Step 5: Solve for x
    x = 102,652,892.39/11,005.63
  6. Step 6: Final answer
    x = 9,327.31

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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.