Home / 13,744.57-20,603.00-5,421.37

Finding the Fourth Proportional to 13,744.57, 20,603.00 and 5,421.37

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Solution

The fourth proportional to 13,744.57, 20,603.00 and 5,421.37 is: 8,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.57 : 20,603.00 = 5,421.37 : x
  2. Step 2: Convert to fraction form
    13,744.57/20,603.00 = 5,421.37/x
  3. Step 3: Cross multiply
    13,744.57x = 20,603.00 × 5,421.37
  4. Step 4: Simplify right side
    13,744.57x = 111,696,448.16
  5. Step 5: Solve for x
    x = 111,696,448.16/13,744.57
  6. Step 6: Final answer
    x = 8,126.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.