Home / 13,113.72-19,673.46-3,880.44

Finding the Fourth Proportional to 13,113.72, 19,673.46 and 3,880.44

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Solution

The fourth proportional to 13,113.72, 19,673.46 and 3,880.44 is: 5,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.72 : 19,673.46 = 3,880.44 : x
  2. Step 2: Convert to fraction form
    13,113.72/19,673.46 = 3,880.44/x
  3. Step 3: Cross multiply
    13,113.72x = 19,673.46 × 3,880.44
  4. Step 4: Simplify right side
    13,113.72x = 76,341,681.12
  5. Step 5: Solve for x
    x = 76,341,681.12/13,113.72
  6. Step 6: Final answer
    x = 5,821.51

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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.