Home / 8,012.12-12,015.14-3,851.15

Finding the Fourth Proportional to 8,012.12, 12,015.14 and 3,851.15

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Solution

The fourth proportional to 8,012.12, 12,015.14 and 3,851.15 is: 5,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.12 : 12,015.14 = 3,851.15 : x
  2. Step 2: Convert to fraction form
    8,012.12/12,015.14 = 3,851.15/x
  3. Step 3: Cross multiply
    8,012.12x = 12,015.14 × 3,851.15
  4. Step 4: Simplify right side
    8,012.12x = 46,272,027.08
  5. Step 5: Solve for x
    x = 46,272,027.08/8,012.12
  6. Step 6: Final answer
    x = 5,775.26

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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.