Home / 11,829.16-17,745.36-3,509.74

Finding the Fourth Proportional to 11,829.16, 17,745.36 and 3,509.74

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Solution

The fourth proportional to 11,829.16, 17,745.36 and 3,509.74 is: 5,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.16 : 17,745.36 = 3,509.74 : x
  2. Step 2: Convert to fraction form
    11,829.16/17,745.36 = 3,509.74/x
  3. Step 3: Cross multiply
    11,829.16x = 17,745.36 × 3,509.74
  4. Step 4: Simplify right side
    11,829.16x = 62,281,599.81
  5. Step 5: Solve for x
    x = 62,281,599.81/11,829.16
  6. Step 6: Final answer
    x = 5,265.09

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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.