Home / 12,015.98-18,025.04-4,224.86

Finding the Fourth Proportional to 12,015.98, 18,025.04 and 4,224.86

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Solution

The fourth proportional to 12,015.98, 18,025.04 and 4,224.86 is: 6,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.98 : 18,025.04 = 4,224.86 : x
  2. Step 2: Convert to fraction form
    12,015.98/18,025.04 = 4,224.86/x
  3. Step 3: Cross multiply
    12,015.98x = 18,025.04 × 4,224.86
  4. Step 4: Simplify right side
    12,015.98x = 76,153,270.49
  5. Step 5: Solve for x
    x = 76,153,270.49/12,015.98
  6. Step 6: Final answer
    x = 6,337.67

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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.