Home / 8,015.53-12,023.30-2,172.14

Finding the Fourth Proportional to 8,015.53, 12,023.30 and 2,172.14

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Solution

The fourth proportional to 8,015.53, 12,023.30 and 2,172.14 is: 3,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.53 : 12,023.30 = 2,172.14 : x
  2. Step 2: Convert to fraction form
    8,015.53/12,023.30 = 2,172.14/x
  3. Step 3: Cross multiply
    8,015.53x = 12,023.30 × 2,172.14
  4. Step 4: Simplify right side
    8,015.53x = 26,116,290.86
  5. Step 5: Solve for x
    x = 26,116,290.86/8,015.53
  6. Step 6: Final answer
    x = 3,258.21

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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.