Home / 11,392.25-15,722.69-6,676.54

Finding the Fourth Proportional to 11,392.25, 15,722.69 and 6,676.54

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Solution

The fourth proportional to 11,392.25, 15,722.69 and 6,676.54 is: 9,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.25 : 15,722.69 = 6,676.54 : x
  2. Step 2: Convert to fraction form
    11,392.25/15,722.69 = 6,676.54/x
  3. Step 3: Cross multiply
    11,392.25x = 15,722.69 × 6,676.54
  4. Step 4: Simplify right side
    11,392.25x = 104,973,096.00
  5. Step 5: Solve for x
    x = 104,973,096.00/11,392.25
  6. Step 6: Final answer
    x = 9,214.43

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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.