Home / 13,246.22-19,872.07-3,886.54

Finding the Fourth Proportional to 13,246.22, 19,872.07 and 3,886.54

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Solution

The fourth proportional to 13,246.22, 19,872.07 and 3,886.54 is: 5,830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.22 : 19,872.07 = 3,886.54 : x
  2. Step 2: Convert to fraction form
    13,246.22/19,872.07 = 3,886.54/x
  3. Step 3: Cross multiply
    13,246.22x = 19,872.07 × 3,886.54
  4. Step 4: Simplify right side
    13,246.22x = 77,233,535.54
  5. Step 5: Solve for x
    x = 77,233,535.54/13,246.22
  6. Step 6: Final answer
    x = 5,830.61

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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.