Home / 13,724.03-18,938.95-7,436.41

Finding the Fourth Proportional to 13,724.03, 18,938.95 and 7,436.41

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Solution

The fourth proportional to 13,724.03, 18,938.95 and 7,436.41 is: 10,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.03 : 18,938.95 = 7,436.41 : x
  2. Step 2: Convert to fraction form
    13,724.03/18,938.95 = 7,436.41/x
  3. Step 3: Cross multiply
    13,724.03x = 18,938.95 × 7,436.41
  4. Step 4: Simplify right side
    13,724.03x = 140,837,731.23
  5. Step 5: Solve for x
    x = 140,837,731.23/13,724.03
  6. Step 6: Final answer
    x = 10,262.12

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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.