Home / 19,763.75-29,638.49-6,613.05

Finding the Fourth Proportional to 19,763.75, 29,638.49 and 6,613.05

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Solution

The fourth proportional to 19,763.75, 29,638.49 and 6,613.05 is: 9,917.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.75 : 29,638.49 = 6,613.05 : x
  2. Step 2: Convert to fraction form
    19,763.75/29,638.49 = 6,613.05/x
  3. Step 3: Cross multiply
    19,763.75x = 29,638.49 × 6,613.05
  4. Step 4: Simplify right side
    19,763.75x = 196,000,816.29
  5. Step 5: Solve for x
    x = 196,000,816.29/19,763.75
  6. Step 6: Final answer
    x = 9,917.19

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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.