Home / 19,568.85-29,327.33-10,661.34

Finding the Fourth Proportional to 19,568.85, 29,327.33 and 10,661.34

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Solution

The fourth proportional to 19,568.85, 29,327.33 and 10,661.34 is: 15,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,568.85 : 29,327.33 = 10,661.34 : x
  2. Step 2: Convert to fraction form
    19,568.85/29,327.33 = 10,661.34/x
  3. Step 3: Cross multiply
    19,568.85x = 29,327.33 × 10,661.34
  4. Step 4: Simplify right side
    19,568.85x = 312,668,436.48
  5. Step 5: Solve for x
    x = 312,668,436.48/19,568.85
  6. Step 6: Final answer
    x = 15,977.86

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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.