Home / 11,945.63-17,922.06-4,826.21

Finding the Fourth Proportional to 11,945.63, 17,922.06 and 4,826.21

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Solution

The fourth proportional to 11,945.63, 17,922.06 and 4,826.21 is: 7,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.63 : 17,922.06 = 4,826.21 : x
  2. Step 2: Convert to fraction form
    11,945.63/17,922.06 = 4,826.21/x
  3. Step 3: Cross multiply
    11,945.63x = 17,922.06 × 4,826.21
  4. Step 4: Simplify right side
    11,945.63x = 86,495,625.19
  5. Step 5: Solve for x
    x = 86,495,625.19/11,945.63
  6. Step 6: Final answer
    x = 7,240.78

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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.