Home / 12,029.98-18,047.03-4,132.12

Finding the Fourth Proportional to 12,029.98, 18,047.03 and 4,132.12

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Solution

The fourth proportional to 12,029.98, 18,047.03 and 4,132.12 is: 6,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.98 : 18,047.03 = 4,132.12 : x
  2. Step 2: Convert to fraction form
    12,029.98/18,047.03 = 4,132.12/x
  3. Step 3: Cross multiply
    12,029.98x = 18,047.03 × 4,132.12
  4. Step 4: Simplify right side
    12,029.98x = 74,572,493.60
  5. Step 5: Solve for x
    x = 74,572,493.60/12,029.98
  6. Step 6: Final answer
    x = 6,198.89

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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.