Home / 12,126.00-18,189.06-3,360.29

Finding the Fourth Proportional to 12,126.00, 18,189.06 and 3,360.29

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Solution

The fourth proportional to 12,126.00, 18,189.06 and 3,360.29 is: 5,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126.00 : 18,189.06 = 3,360.29 : x
  2. Step 2: Convert to fraction form
    12,126.00/18,189.06 = 3,360.29/x
  3. Step 3: Cross multiply
    12,126.00x = 18,189.06 × 3,360.29
  4. Step 4: Simplify right side
    12,126.00x = 61,120,412.88
  5. Step 5: Solve for x
    x = 61,120,412.88/12,126.00
  6. Step 6: Final answer
    x = 5,040.44

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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.