Home / 13,517.00-20,287.96-6,858.18

Finding the Fourth Proportional to 13,517.00, 20,287.96 and 6,858.18

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Solution

The fourth proportional to 13,517.00, 20,287.96 and 6,858.18 is: 10,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.00 : 20,287.96 = 6,858.18 : x
  2. Step 2: Convert to fraction form
    13,517.00/20,287.96 = 6,858.18/x
  3. Step 3: Cross multiply
    13,517.00x = 20,287.96 × 6,858.18
  4. Step 4: Simplify right side
    13,517.00x = 139,138,483.25
  5. Step 5: Solve for x
    x = 139,138,483.25/13,517.00
  6. Step 6: Final answer
    x = 10,293.59

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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.