Home / 19,396.20-29,094.32-12,821.04

Finding the Fourth Proportional to 19,396.20, 29,094.32 and 12,821.04

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Solution

The fourth proportional to 19,396.20, 29,094.32 and 12,821.04 is: 19,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.20 : 29,094.32 = 12,821.04 : x
  2. Step 2: Convert to fraction form
    19,396.20/29,094.32 = 12,821.04/x
  3. Step 3: Cross multiply
    19,396.20x = 29,094.32 × 12,821.04
  4. Step 4: Simplify right side
    19,396.20x = 373,019,440.49
  5. Step 5: Solve for x
    x = 373,019,440.49/19,396.20
  6. Step 6: Final answer
    x = 19,231.57

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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.