Home / 13,845.23-20,754.89-7,676.27

Finding the Fourth Proportional to 13,845.23, 20,754.89 and 7,676.27

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Solution

The fourth proportional to 13,845.23, 20,754.89 and 7,676.27 is: 11,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.23 : 20,754.89 = 7,676.27 : x
  2. Step 2: Convert to fraction form
    13,845.23/20,754.89 = 7,676.27/x
  3. Step 3: Cross multiply
    13,845.23x = 20,754.89 × 7,676.27
  4. Step 4: Simplify right side
    13,845.23x = 159,320,101.08
  5. Step 5: Solve for x
    x = 159,320,101.08/13,845.23
  6. Step 6: Final answer
    x = 11,507.22

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1.5x scale

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.