Home / 11,230.44-15,480.90-7,682.64

Finding the Fourth Proportional to 11,230.44, 15,480.90 and 7,682.64

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Solution

The fourth proportional to 11,230.44, 15,480.90 and 7,682.64 is: 10,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.44 : 15,480.90 = 7,682.64 : x
  2. Step 2: Convert to fraction form
    11,230.44/15,480.90 = 7,682.64/x
  3. Step 3: Cross multiply
    11,230.44x = 15,480.90 × 7,682.64
  4. Step 4: Simplify right side
    11,230.44x = 118,934,181.58
  5. Step 5: Solve for x
    x = 118,934,181.58/11,230.44
  6. Step 6: Final answer
    x = 10,590.34

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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.