Home / 14,629.67-20,188.94-8,257.60

Finding the Fourth Proportional to 14,629.67, 20,188.94 and 8,257.60

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Solution

The fourth proportional to 14,629.67, 20,188.94 and 8,257.60 is: 11,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.67 : 20,188.94 = 8,257.60 : x
  2. Step 2: Convert to fraction form
    14,629.67/20,188.94 = 8,257.60/x
  3. Step 3: Cross multiply
    14,629.67x = 20,188.94 × 8,257.60
  4. Step 4: Simplify right side
    14,629.67x = 166,712,212.75
  5. Step 5: Solve for x
    x = 166,712,212.75/14,629.67
  6. Step 6: Final answer
    x = 11,395.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.