Home / 12,450.21-18,671.76-4,950.39

Finding the Fourth Proportional to 12,450.21, 18,671.76 and 4,950.39

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Solution

The fourth proportional to 12,450.21, 18,671.76 and 4,950.39 is: 7,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.21 : 18,671.76 = 4,950.39 : x
  2. Step 2: Convert to fraction form
    12,450.21/18,671.76 = 4,950.39/x
  3. Step 3: Cross multiply
    12,450.21x = 18,671.76 × 4,950.39
  4. Step 4: Simplify right side
    12,450.21x = 92,432,493.99
  5. Step 5: Solve for x
    x = 92,432,493.99/12,450.21
  6. Step 6: Final answer
    x = 7,424.17

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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.