Home / 13,845.48-20,768.94-3,457.32

Finding the Fourth Proportional to 13,845.48, 20,768.94 and 3,457.32

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Solution

The fourth proportional to 13,845.48, 20,768.94 and 3,457.32 is: 5,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.48 : 20,768.94 = 3,457.32 : x
  2. Step 2: Convert to fraction form
    13,845.48/20,768.94 = 3,457.32/x
  3. Step 3: Cross multiply
    13,845.48x = 20,768.94 × 3,457.32
  4. Step 4: Simplify right side
    13,845.48x = 71,804,871.64
  5. Step 5: Solve for x
    x = 71,804,871.64/13,845.48
  6. Step 6: Final answer
    x = 5,186.16

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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.