Home / 19,923.59-29,889.81-6,600.78

Finding the Fourth Proportional to 19,923.59, 29,889.81 and 6,600.78

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Solution

The fourth proportional to 19,923.59, 29,889.81 and 6,600.78 is: 9,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.59 : 29,889.81 = 6,600.78 : x
  2. Step 2: Convert to fraction form
    19,923.59/29,889.81 = 6,600.78/x
  3. Step 3: Cross multiply
    19,923.59x = 29,889.81 × 6,600.78
  4. Step 4: Simplify right side
    19,923.59x = 197,296,060.05
  5. Step 5: Solve for x
    x = 197,296,060.05/19,923.59
  6. Step 6: Final answer
    x = 9,902.63

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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.