Home / 13,427.66-20,143.54-6,850.26

Finding the Fourth Proportional to 13,427.66, 20,143.54 and 6,850.26

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Solution

The fourth proportional to 13,427.66, 20,143.54 and 6,850.26 is: 10,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.66 : 20,143.54 = 6,850.26 : x
  2. Step 2: Convert to fraction form
    13,427.66/20,143.54 = 6,850.26/x
  3. Step 3: Cross multiply
    13,427.66x = 20,143.54 × 6,850.26
  4. Step 4: Simplify right side
    13,427.66x = 137,988,486.32
  5. Step 5: Solve for x
    x = 137,988,486.32/13,427.66
  6. Step 6: Final answer
    x = 10,276.44

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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.