Home / 18,269.85-27,406.14-5,790.84

Finding the Fourth Proportional to 18,269.85, 27,406.14 and 5,790.84

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Solution

The fourth proportional to 18,269.85, 27,406.14 and 5,790.84 is: 8,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.85 : 27,406.14 = 5,790.84 : x
  2. Step 2: Convert to fraction form
    18,269.85/27,406.14 = 5,790.84/x
  3. Step 3: Cross multiply
    18,269.85x = 27,406.14 × 5,790.84
  4. Step 4: Simplify right side
    18,269.85x = 158,704,571.76
  5. Step 5: Solve for x
    x = 158,704,571.76/18,269.85
  6. Step 6: Final answer
    x = 8,686.69

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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.