Home / 14,112.36-19,475.94-8,145.12

Finding the Fourth Proportional to 14,112.36, 19,475.94 and 8,145.12

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Solution

The fourth proportional to 14,112.36, 19,475.94 and 8,145.12 is: 11,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.36 : 19,475.94 = 8,145.12 : x
  2. Step 2: Convert to fraction form
    14,112.36/19,475.94 = 8,145.12/x
  3. Step 3: Cross multiply
    14,112.36x = 19,475.94 × 8,145.12
  4. Step 4: Simplify right side
    14,112.36x = 158,633,868.41
  5. Step 5: Solve for x
    x = 158,633,868.41/14,112.36
  6. Step 6: Final answer
    x = 11,240.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.