Home / 19,922.18-29,874.63-6,771.02

Finding the Fourth Proportional to 19,922.18, 29,874.63 and 6,771.02

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Solution

The fourth proportional to 19,922.18, 29,874.63 and 6,771.02 is: 10,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.18 : 29,874.63 = 6,771.02 : x
  2. Step 2: Convert to fraction form
    19,922.18/29,874.63 = 6,771.02/x
  3. Step 3: Cross multiply
    19,922.18x = 29,874.63 × 6,771.02
  4. Step 4: Simplify right side
    19,922.18x = 202,281,717.22
  5. Step 5: Solve for x
    x = 202,281,717.22/19,922.18
  6. Step 6: Final answer
    x = 10,153.59

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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.