Home / 13,537.90-20,305.94-4,771.68

Finding the Fourth Proportional to 13,537.90, 20,305.94 and 4,771.68

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Solution

The fourth proportional to 13,537.90, 20,305.94 and 4,771.68 is: 7,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.90 : 20,305.94 = 4,771.68 : x
  2. Step 2: Convert to fraction form
    13,537.90/20,305.94 = 4,771.68/x
  3. Step 3: Cross multiply
    13,537.90x = 20,305.94 × 4,771.68
  4. Step 4: Simplify right side
    13,537.90x = 96,893,347.77
  5. Step 5: Solve for x
    x = 96,893,347.77/13,537.90
  6. Step 6: Final answer
    x = 7,157.19

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