Home / 18,627.27-25,705.12-10,243.77

Finding the Fourth Proportional to 18,627.27, 25,705.12 and 10,243.77

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Solution

The fourth proportional to 18,627.27, 25,705.12 and 10,243.77 is: 14,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.27 : 25,705.12 = 10,243.77 : x
  2. Step 2: Convert to fraction form
    18,627.27/25,705.12 = 10,243.77/x
  3. Step 3: Cross multiply
    18,627.27x = 25,705.12 × 10,243.77
  4. Step 4: Simplify right side
    18,627.27x = 263,317,337.10
  5. Step 5: Solve for x
    x = 263,317,337.10/18,627.27
  6. Step 6: Final answer
    x = 14,136.12

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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.