Home / 11,023.30-15,194.46-8,629.21

Finding the Fourth Proportional to 11,023.30, 15,194.46 and 8,629.21

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Solution

The fourth proportional to 11,023.30, 15,194.46 and 8,629.21 is: 11,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.30 : 15,194.46 = 8,629.21 : x
  2. Step 2: Convert to fraction form
    11,023.30/15,194.46 = 8,629.21/x
  3. Step 3: Cross multiply
    11,023.30x = 15,194.46 × 8,629.21
  4. Step 4: Simplify right side
    11,023.30x = 131,116,186.18
  5. Step 5: Solve for x
    x = 131,116,186.18/11,023.30
  6. Step 6: Final answer
    x = 11,894.46

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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.