Home / 19,816.20-29,728.19-7,336.34

Finding the Fourth Proportional to 19,816.20, 29,728.19 and 7,336.34

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Solution

The fourth proportional to 19,816.20, 29,728.19 and 7,336.34 is: 11,005.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.20 : 29,728.19 = 7,336.34 : x
  2. Step 2: Convert to fraction form
    19,816.20/29,728.19 = 7,336.34/x
  3. Step 3: Cross multiply
    19,816.20x = 29,728.19 × 7,336.34
  4. Step 4: Simplify right side
    19,816.20x = 218,095,924.10
  5. Step 5: Solve for x
    x = 218,095,924.10/19,816.20
  6. Step 6: Final answer
    x = 11,005.94

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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.