Home / 12,473.15-18,704.21-4,676.49

Finding the Fourth Proportional to 12,473.15, 18,704.21 and 4,676.49

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Solution

The fourth proportional to 12,473.15, 18,704.21 and 4,676.49 is: 7,012.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.15 : 18,704.21 = 4,676.49 : x
  2. Step 2: Convert to fraction form
    12,473.15/18,704.21 = 4,676.49/x
  3. Step 3: Cross multiply
    12,473.15x = 18,704.21 × 4,676.49
  4. Step 4: Simplify right side
    12,473.15x = 87,470,051.02
  5. Step 5: Solve for x
    x = 87,470,051.02/12,473.15
  6. Step 6: Final answer
    x = 7,012.67

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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.