Home / 12,170.07-18,239.37-6,242.03

Finding the Fourth Proportional to 12,170.07, 18,239.37 and 6,242.03

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Solution

The fourth proportional to 12,170.07, 18,239.37 and 6,242.03 is: 9,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.07 : 18,239.37 = 6,242.03 : x
  2. Step 2: Convert to fraction form
    12,170.07/18,239.37 = 6,242.03/x
  3. Step 3: Cross multiply
    12,170.07x = 18,239.37 × 6,242.03
  4. Step 4: Simplify right side
    12,170.07x = 113,850,603.52
  5. Step 5: Solve for x
    x = 113,850,603.52/12,170.07
  6. Step 6: Final answer
    x = 9,354.97

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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.