Home / 30,198.23-45,302.91-9,936.13

Finding the Fourth Proportional to 30,198.23, 45,302.91 and 9,936.13

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Solution

The fourth proportional to 30,198.23, 45,302.91 and 9,936.13 is: 14,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.23 : 45,302.91 = 9,936.13 : x
  2. Step 2: Convert to fraction form
    30,198.23/45,302.91 = 9,936.13/x
  3. Step 3: Cross multiply
    30,198.23x = 45,302.91 × 9,936.13
  4. Step 4: Simplify right side
    30,198.23x = 450,135,603.14
  5. Step 5: Solve for x
    x = 450,135,603.14/30,198.23
  6. Step 6: Final answer
    x = 14,906.03

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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.