Home / 8,559.93-11,813.58-6,171.87

Finding the Fourth Proportional to 8,559.93, 11,813.58 and 6,171.87

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Solution

The fourth proportional to 8,559.93, 11,813.58 and 6,171.87 is: 8,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.93 : 11,813.58 = 6,171.87 : x
  2. Step 2: Convert to fraction form
    8,559.93/11,813.58 = 6,171.87/x
  3. Step 3: Cross multiply
    8,559.93x = 11,813.58 × 6,171.87
  4. Step 4: Simplify right side
    8,559.93x = 72,911,879.99
  5. Step 5: Solve for x
    x = 72,911,879.99/8,559.93
  6. Step 6: Final answer
    x = 8,517.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.