Home / 11,480.79-17,221.32-4,461.19

Finding the Fourth Proportional to 11,480.79, 17,221.32 and 4,461.19

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Solution

The fourth proportional to 11,480.79, 17,221.32 and 4,461.19 is: 6,691.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.79 : 17,221.32 = 4,461.19 : x
  2. Step 2: Convert to fraction form
    11,480.79/17,221.32 = 4,461.19/x
  3. Step 3: Cross multiply
    11,480.79x = 17,221.32 × 4,461.19
  4. Step 4: Simplify right side
    11,480.79x = 76,827,580.57
  5. Step 5: Solve for x
    x = 76,827,580.57/11,480.79
  6. Step 6: Final answer
    x = 6,691.84

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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.