Home / 11,585.58-17,378.12-2,820.54

Finding the Fourth Proportional to 11,585.58, 17,378.12 and 2,820.54

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Solution

The fourth proportional to 11,585.58, 17,378.12 and 2,820.54 is: 4,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.58 : 17,378.12 = 2,820.54 : x
  2. Step 2: Convert to fraction form
    11,585.58/17,378.12 = 2,820.54/x
  3. Step 3: Cross multiply
    11,585.58x = 17,378.12 × 2,820.54
  4. Step 4: Simplify right side
    11,585.58x = 49,015,682.58
  5. Step 5: Solve for x
    x = 49,015,682.58/11,585.58
  6. Step 6: Final answer
    x = 4,230.75

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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.