Home / 14,039.40-19,374.36-8,072.23

Finding the Fourth Proportional to 14,039.40, 19,374.36 and 8,072.23

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Solution

The fourth proportional to 14,039.40, 19,374.36 and 8,072.23 is: 11,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.40 : 19,374.36 = 8,072.23 : x
  2. Step 2: Convert to fraction form
    14,039.40/19,374.36 = 8,072.23/x
  3. Step 3: Cross multiply
    14,039.40x = 19,374.36 × 8,072.23
  4. Step 4: Simplify right side
    14,039.40x = 156,394,290.02
  5. Step 5: Solve for x
    x = 156,394,290.02/14,039.40
  6. Step 6: Final answer
    x = 11,139.67

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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.