Home / 19,906.04-29,837.10-8,212.84

Finding the Fourth Proportional to 19,906.04, 29,837.10 and 8,212.84

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Solution

The fourth proportional to 19,906.04, 29,837.10 and 8,212.84 is: 12,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.04 : 29,837.10 = 8,212.84 : x
  2. Step 2: Convert to fraction form
    19,906.04/29,837.10 = 8,212.84/x
  3. Step 3: Cross multiply
    19,906.04x = 29,837.10 × 8,212.84
  4. Step 4: Simplify right side
    19,906.04x = 245,047,328.36
  5. Step 5: Solve for x
    x = 245,047,328.36/19,906.04
  6. Step 6: Final answer
    x = 12,310.20

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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.