Home / 13,345.12-20,018.03-6,323.43

Finding the Fourth Proportional to 13,345.12, 20,018.03 and 6,323.43

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Solution

The fourth proportional to 13,345.12, 20,018.03 and 6,323.43 is: 9,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.12 : 20,018.03 = 6,323.43 : x
  2. Step 2: Convert to fraction form
    13,345.12/20,018.03 = 6,323.43/x
  3. Step 3: Cross multiply
    13,345.12x = 20,018.03 × 6,323.43
  4. Step 4: Simplify right side
    13,345.12x = 126,582,611.44
  5. Step 5: Solve for x
    x = 126,582,611.44/13,345.12
  6. Step 6: Final answer
    x = 9,485.31

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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.