Home / 19,797.85-29,701.36-5,758.21

Finding the Fourth Proportional to 19,797.85, 29,701.36 and 5,758.21

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Solution

The fourth proportional to 19,797.85, 29,701.36 and 5,758.21 is: 8,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.85 : 29,701.36 = 5,758.21 : x
  2. Step 2: Convert to fraction form
    19,797.85/29,701.36 = 5,758.21/x
  3. Step 3: Cross multiply
    19,797.85x = 29,701.36 × 5,758.21
  4. Step 4: Simplify right side
    19,797.85x = 171,026,519.66
  5. Step 5: Solve for x
    x = 171,026,519.66/19,797.85
  6. Step 6: Final answer
    x = 8,638.64

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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.