Home / 19,429.44-29,119.20-8,333.28

Finding the Fourth Proportional to 19,429.44, 29,119.20 and 8,333.28

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Solution

The fourth proportional to 19,429.44, 29,119.20 and 8,333.28 is: 12,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.44 : 29,119.20 = 8,333.28 : x
  2. Step 2: Convert to fraction form
    19,429.44/29,119.20 = 8,333.28/x
  3. Step 3: Cross multiply
    19,429.44x = 29,119.20 × 8,333.28
  4. Step 4: Simplify right side
    19,429.44x = 242,658,446.98
  5. Step 5: Solve for x
    x = 242,658,446.98/19,429.44
  6. Step 6: Final answer
    x = 12,489.21

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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.