Home / 13,074.03-18,040.19-8,039.07

Finding the Fourth Proportional to 13,074.03, 18,040.19 and 8,039.07

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Solution

The fourth proportional to 13,074.03, 18,040.19 and 8,039.07 is: 11,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.03 : 18,040.19 = 8,039.07 : x
  2. Step 2: Convert to fraction form
    13,074.03/18,040.19 = 8,039.07/x
  3. Step 3: Cross multiply
    13,074.03x = 18,040.19 × 8,039.07
  4. Step 4: Simplify right side
    13,074.03x = 145,026,310.03
  5. Step 5: Solve for x
    x = 145,026,310.03/13,074.03
  6. Step 6: Final answer
    x = 11,092.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.