Home / 10,398.04-15,603.24-3,828.84

Finding the Fourth Proportional to 10,398.04, 15,603.24 and 3,828.84

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Solution

The fourth proportional to 10,398.04, 15,603.24 and 3,828.84 is: 5,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.04 : 15,603.24 = 3,828.84 : x
  2. Step 2: Convert to fraction form
    10,398.04/15,603.24 = 3,828.84/x
  3. Step 3: Cross multiply
    10,398.04x = 15,603.24 × 3,828.84
  4. Step 4: Simplify right side
    10,398.04x = 59,742,309.44
  5. Step 5: Solve for x
    x = 59,742,309.44/10,398.04
  6. Step 6: Final answer
    x = 5,745.54

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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.