Home / 20,018.75-30,017.92-6,686.94

Finding the Fourth Proportional to 20,018.75, 30,017.92 and 6,686.94

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Solution

The fourth proportional to 20,018.75, 30,017.92 and 6,686.94 is: 10,027.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.75 : 30,017.92 = 6,686.94 : x
  2. Step 2: Convert to fraction form
    20,018.75/30,017.92 = 6,686.94/x
  3. Step 3: Cross multiply
    20,018.75x = 30,017.92 × 6,686.94
  4. Step 4: Simplify right side
    20,018.75x = 200,728,029.96
  5. Step 5: Solve for x
    x = 200,728,029.96/20,018.75
  6. Step 6: Final answer
    x = 10,027.00

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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.