Home / 10,398.05-15,603.25-3,828.85

Finding the Fourth Proportional to 10,398.05, 15,603.25 and 3,828.85

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Solution

The fourth proportional to 10,398.05, 15,603.25 and 3,828.85 is: 5,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.05 : 15,603.25 = 3,828.85 : x
  2. Step 2: Convert to fraction form
    10,398.05/15,603.25 = 3,828.85/x
  3. Step 3: Cross multiply
    10,398.05x = 15,603.25 × 3,828.85
  4. Step 4: Simplify right side
    10,398.05x = 59,742,503.76
  5. Step 5: Solve for x
    x = 59,742,503.76/10,398.05
  6. Step 6: Final answer
    x = 5,745.55

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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.