Home / 12,968.05-19,450.14-3,607.09

Finding the Fourth Proportional to 12,968.05, 19,450.14 and 3,607.09

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Solution

The fourth proportional to 12,968.05, 19,450.14 and 3,607.09 is: 5,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.05 : 19,450.14 = 3,607.09 : x
  2. Step 2: Convert to fraction form
    12,968.05/19,450.14 = 3,607.09/x
  3. Step 3: Cross multiply
    12,968.05x = 19,450.14 × 3,607.09
  4. Step 4: Simplify right side
    12,968.05x = 70,158,405.49
  5. Step 5: Solve for x
    x = 70,158,405.49/12,968.05
  6. Step 6: Final answer
    x = 5,410.10

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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.