Home / 13,331.77-18,376.27-10,134.43

Finding the Fourth Proportional to 13,331.77, 18,376.27 and 10,134.43

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Solution

The fourth proportional to 13,331.77, 18,376.27 and 10,134.43 is: 13,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.77 : 18,376.27 = 10,134.43 : x
  2. Step 2: Convert to fraction form
    13,331.77/18,376.27 = 10,134.43/x
  3. Step 3: Cross multiply
    13,331.77x = 18,376.27 × 10,134.43
  4. Step 4: Simplify right side
    13,331.77x = 186,233,021.98
  5. Step 5: Solve for x
    x = 186,233,021.98/13,331.77
  6. Step 6: Final answer
    x = 13,969.11

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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.