Home / 13,292.24-18,343.53-7,324.45

Finding the Fourth Proportional to 13,292.24, 18,343.53 and 7,324.45

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Solution

The fourth proportional to 13,292.24, 18,343.53 and 7,324.45 is: 10,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.24 : 18,343.53 = 7,324.45 : x
  2. Step 2: Convert to fraction form
    13,292.24/18,343.53 = 7,324.45/x
  3. Step 3: Cross multiply
    13,292.24x = 18,343.53 × 7,324.45
  4. Step 4: Simplify right side
    13,292.24x = 134,356,222.45
  5. Step 5: Solve for x
    x = 134,356,222.45/13,292.24
  6. Step 6: Final answer
    x = 10,107.87

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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.