Home / 13,052.84-18,006.57-7,743.89

Finding the Fourth Proportional to 13,052.84, 18,006.57 and 7,743.89

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Solution

The fourth proportional to 13,052.84, 18,006.57 and 7,743.89 is: 10,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.84 : 18,006.57 = 7,743.89 : x
  2. Step 2: Convert to fraction form
    13,052.84/18,006.57 = 7,743.89/x
  3. Step 3: Cross multiply
    13,052.84x = 18,006.57 × 7,743.89
  4. Step 4: Simplify right side
    13,052.84x = 139,440,942.37
  5. Step 5: Solve for x
    x = 139,440,942.37/13,052.84
  6. Step 6: Final answer
    x = 10,682.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.