Home / 12,943.46-19,418.34-9,236.54

Finding the Fourth Proportional to 12,943.46, 19,418.34 and 9,236.54

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Solution

The fourth proportional to 12,943.46, 19,418.34 and 9,236.54 is: 13,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.46 : 19,418.34 = 9,236.54 : x
  2. Step 2: Convert to fraction form
    12,943.46/19,418.34 = 9,236.54/x
  3. Step 3: Cross multiply
    12,943.46x = 19,418.34 × 9,236.54
  4. Step 4: Simplify right side
    12,943.46x = 179,358,274.14
  5. Step 5: Solve for x
    x = 179,358,274.14/12,943.46
  6. Step 6: Final answer
    x = 13,857.06

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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.