Home / 19,578.34-29,372.92-7,735.06

Finding the Fourth Proportional to 19,578.34, 29,372.92 and 7,735.06

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Solution

The fourth proportional to 19,578.34, 29,372.92 and 7,735.06 is: 11,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.34 : 29,372.92 = 7,735.06 : x
  2. Step 2: Convert to fraction form
    19,578.34/29,372.92 = 7,735.06/x
  3. Step 3: Cross multiply
    19,578.34x = 29,372.92 × 7,735.06
  4. Step 4: Simplify right side
    19,578.34x = 227,201,298.58
  5. Step 5: Solve for x
    x = 227,201,298.58/19,578.34
  6. Step 6: Final answer
    x = 11,604.73

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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.