Home / 13,601.48-18,770.36-7,633.60

Finding the Fourth Proportional to 13,601.48, 18,770.36 and 7,633.60

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Solution

The fourth proportional to 13,601.48, 18,770.36 and 7,633.60 is: 10,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.48 : 18,770.36 = 7,633.60 : x
  2. Step 2: Convert to fraction form
    13,601.48/18,770.36 = 7,633.60/x
  3. Step 3: Cross multiply
    13,601.48x = 18,770.36 × 7,633.60
  4. Step 4: Simplify right side
    13,601.48x = 143,285,420.10
  5. Step 5: Solve for x
    x = 143,285,420.10/13,601.48
  6. Step 6: Final answer
    x = 10,534.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.