Home / 13,603.04-20,402.24-3,740

Finding the Fourth Proportional to 13,603.04, 20,402.24 and 3,740

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Solution

The fourth proportional to 13,603.04, 20,402.24 and 3,740 is: 5,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603.04 : 20,402.24 = 3,740 : x
  2. Step 2: Convert to fraction form
    13,603.04/20,402.24 = 3,740/x
  3. Step 3: Cross multiply
    13,603.04x = 20,402.24 × 3,740
  4. Step 4: Simplify right side
    13,603.04x = 76,304,377.60
  5. Step 5: Solve for x
    x = 76,304,377.60/13,603.04
  6. Step 6: Final answer
    x = 5,609.36

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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.