Home / 20,804.18-31,205.06-6,012.77

Finding the Fourth Proportional to 20,804.18, 31,205.06 and 6,012.77

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Solution

The fourth proportional to 20,804.18, 31,205.06 and 6,012.77 is: 9,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804.18 : 31,205.06 = 6,012.77 : x
  2. Step 2: Convert to fraction form
    20,804.18/31,205.06 = 6,012.77/x
  3. Step 3: Cross multiply
    20,804.18x = 31,205.06 × 6,012.77
  4. Step 4: Simplify right side
    20,804.18x = 187,628,896.56
  5. Step 5: Solve for x
    x = 187,628,896.56/20,804.18
  6. Step 6: Final answer
    x = 9,018.81

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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.