Home / 9,209.49-12,704.73-6,226.35

Finding the Fourth Proportional to 9,209.49, 12,704.73 and 6,226.35

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Solution

The fourth proportional to 9,209.49, 12,704.73 and 6,226.35 is: 8,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.49 : 12,704.73 = 6,226.35 : x
  2. Step 2: Convert to fraction form
    9,209.49/12,704.73 = 6,226.35/x
  3. Step 3: Cross multiply
    9,209.49x = 12,704.73 × 6,226.35
  4. Step 4: Simplify right side
    9,209.49x = 79,104,095.64
  5. Step 5: Solve for x
    x = 79,104,095.64/9,209.49
  6. Step 6: Final answer
    x = 8,589.41

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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.