Home / 14,182.74-21,274.11-5,418.54

Finding the Fourth Proportional to 14,182.74, 21,274.11 and 5,418.54

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Solution

The fourth proportional to 14,182.74, 21,274.11 and 5,418.54 is: 8,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.74 : 21,274.11 = 5,418.54 : x
  2. Step 2: Convert to fraction form
    14,182.74/21,274.11 = 5,418.54/x
  3. Step 3: Cross multiply
    14,182.74x = 21,274.11 × 5,418.54
  4. Step 4: Simplify right side
    14,182.74x = 115,274,616.00
  5. Step 5: Solve for x
    x = 115,274,616.00/14,182.74
  6. Step 6: Final answer
    x = 8,127.81

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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.