Home / 19,968.48-29,956.85-8,122.26

Finding the Fourth Proportional to 19,968.48, 29,956.85 and 8,122.26

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Solution

The fourth proportional to 19,968.48, 29,956.85 and 8,122.26 is: 12,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.48 : 29,956.85 = 8,122.26 : x
  2. Step 2: Convert to fraction form
    19,968.48/29,956.85 = 8,122.26/x
  3. Step 3: Cross multiply
    19,968.48x = 29,956.85 × 8,122.26
  4. Step 4: Simplify right side
    19,968.48x = 243,317,324.48
  5. Step 5: Solve for x
    x = 243,317,324.48/19,968.48
  6. Step 6: Final answer
    x = 12,185.07

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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.