Home / 9,290.91-13,929.21-8,056.62

Finding the Fourth Proportional to 9,290.91, 13,929.21 and 8,056.62

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Solution

The fourth proportional to 9,290.91, 13,929.21 and 8,056.62 is: 12,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.91 : 13,929.21 = 8,056.62 : x
  2. Step 2: Convert to fraction form
    9,290.91/13,929.21 = 8,056.62/x
  3. Step 3: Cross multiply
    9,290.91x = 13,929.21 × 8,056.62
  4. Step 4: Simplify right side
    9,290.91x = 112,222,351.87
  5. Step 5: Solve for x
    x = 112,222,351.87/9,290.91
  6. Step 6: Final answer
    x = 12,078.73

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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.