Home / 13,387.13-20,083.57-4,026.37

Finding the Fourth Proportional to 13,387.13, 20,083.57 and 4,026.37

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Solution

The fourth proportional to 13,387.13, 20,083.57 and 4,026.37 is: 6,040.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.13 : 20,083.57 = 4,026.37 : x
  2. Step 2: Convert to fraction form
    13,387.13/20,083.57 = 4,026.37/x
  3. Step 3: Cross multiply
    13,387.13x = 20,083.57 × 4,026.37
  4. Step 4: Simplify right side
    13,387.13x = 80,863,883.74
  5. Step 5: Solve for x
    x = 80,863,883.74/13,387.13
  6. Step 6: Final answer
    x = 6,040.42

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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.