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Finding the Fourth Proportional to 13,772.67, 19,006.41 and 7,485.06

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Solution

The fourth proportional to 13,772.67, 19,006.41 and 7,485.06 is: 10,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.67 : 19,006.41 = 7,485.06 : x
  2. Step 2: Convert to fraction form
    13,772.67/19,006.41 = 7,485.06/x
  3. Step 3: Cross multiply
    13,772.67x = 19,006.41 × 7,485.06
  4. Step 4: Simplify right side
    13,772.67x = 142,264,119.23
  5. Step 5: Solve for x
    x = 142,264,119.23/13,772.67
  6. Step 6: Final answer
    x = 10,329.45

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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.