Home / 11,433.80-17,143.40-4,856.60

Finding the Fourth Proportional to 11,433.80, 17,143.40 and 4,856.60

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Solution

The fourth proportional to 11,433.80, 17,143.40 and 4,856.60 is: 7,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.80 : 17,143.40 = 4,856.60 : x
  2. Step 2: Convert to fraction form
    11,433.80/17,143.40 = 4,856.60/x
  3. Step 3: Cross multiply
    11,433.80x = 17,143.40 × 4,856.60
  4. Step 4: Simplify right side
    11,433.80x = 83,258,636.44
  5. Step 5: Solve for x
    x = 83,258,636.44/11,433.80
  6. Step 6: Final answer
    x = 7,281.80

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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.