Home / 12,102.48-18,136.70-9,626.32

Finding the Fourth Proportional to 12,102.48, 18,136.70 and 9,626.32

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Solution

The fourth proportional to 12,102.48, 18,136.70 and 9,626.32 is: 14,425.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.48 : 18,136.70 = 9,626.32 : x
  2. Step 2: Convert to fraction form
    12,102.48/18,136.70 = 9,626.32/x
  3. Step 3: Cross multiply
    12,102.48x = 18,136.70 × 9,626.32
  4. Step 4: Simplify right side
    12,102.48x = 174,589,677.94
  5. Step 5: Solve for x
    x = 174,589,677.94/12,102.48
  6. Step 6: Final answer
    x = 14,425.94

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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.