Home / 8,015.13-12,019.62-3,854.16

Finding the Fourth Proportional to 8,015.13, 12,019.62 and 3,854.16

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Solution

The fourth proportional to 8,015.13, 12,019.62 and 3,854.16 is: 5,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.13 : 12,019.62 = 3,854.16 : x
  2. Step 2: Convert to fraction form
    8,015.13/12,019.62 = 3,854.16/x
  3. Step 3: Cross multiply
    8,015.13x = 12,019.62 × 3,854.16
  4. Step 4: Simplify right side
    8,015.13x = 46,325,538.62
  5. Step 5: Solve for x
    x = 46,325,538.62/8,015.13
  6. Step 6: Final answer
    x = 5,779.76

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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.