Home / 11,928.48-17,895.96-8,487.60

Finding the Fourth Proportional to 11,928.48, 17,895.96 and 8,487.60

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Solution

The fourth proportional to 11,928.48, 17,895.96 and 8,487.60 is: 12,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.48 : 17,895.96 = 8,487.60 : x
  2. Step 2: Convert to fraction form
    11,928.48/17,895.96 = 8,487.60/x
  3. Step 3: Cross multiply
    11,928.48x = 17,895.96 × 8,487.60
  4. Step 4: Simplify right side
    11,928.48x = 151,893,750.10
  5. Step 5: Solve for x
    x = 151,893,750.10/11,928.48
  6. Step 6: Final answer
    x = 12,733.71

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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.