Home / 19,352.40-29,028.60-6,874.35

Finding the Fourth Proportional to 19,352.40, 29,028.60 and 6,874.35

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Solution

The fourth proportional to 19,352.40, 29,028.60 and 6,874.35 is: 10,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.40 : 29,028.60 = 6,874.35 : x
  2. Step 2: Convert to fraction form
    19,352.40/29,028.60 = 6,874.35/x
  3. Step 3: Cross multiply
    19,352.40x = 29,028.60 × 6,874.35
  4. Step 4: Simplify right side
    19,352.40x = 199,552,756.41
  5. Step 5: Solve for x
    x = 199,552,756.41/19,352.40
  6. Step 6: Final answer
    x = 10,311.53

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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.