Home / 11,781.96-17,673.48-8,334.60

Finding the Fourth Proportional to 11,781.96, 17,673.48 and 8,334.60

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Solution

The fourth proportional to 11,781.96, 17,673.48 and 8,334.60 is: 12,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.96 : 17,673.48 = 8,334.60 : x
  2. Step 2: Convert to fraction form
    11,781.96/17,673.48 = 8,334.60/x
  3. Step 3: Cross multiply
    11,781.96x = 17,673.48 × 8,334.60
  4. Step 4: Simplify right side
    11,781.96x = 147,301,386.41
  5. Step 5: Solve for x
    x = 147,301,386.41/11,781.96
  6. Step 6: Final answer
    x = 12,502.28

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1.5x scale

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.