Home / 14,257.12-19,673.92-7,883.54

Finding the Fourth Proportional to 14,257.12, 19,673.92 and 7,883.54

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Solution

The fourth proportional to 14,257.12, 19,673.92 and 7,883.54 is: 10,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.12 : 19,673.92 = 7,883.54 : x
  2. Step 2: Convert to fraction form
    14,257.12/19,673.92 = 7,883.54/x
  3. Step 3: Cross multiply
    14,257.12x = 19,673.92 × 7,883.54
  4. Step 4: Simplify right side
    14,257.12x = 155,100,135.28
  5. Step 5: Solve for x
    x = 155,100,135.28/14,257.12
  6. Step 6: Final answer
    x = 10,878.78

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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.