Home / 11,932.65-16,470.95-8,396.73

Finding the Fourth Proportional to 11,932.65, 16,470.95 and 8,396.73

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Solution

The fourth proportional to 11,932.65, 16,470.95 and 8,396.73 is: 11,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.65 : 16,470.95 = 8,396.73 : x
  2. Step 2: Convert to fraction form
    11,932.65/16,470.95 = 8,396.73/x
  3. Step 3: Cross multiply
    11,932.65x = 16,470.95 × 8,396.73
  4. Step 4: Simplify right side
    11,932.65x = 138,302,078.01
  5. Step 5: Solve for x
    x = 138,302,078.01/11,932.65
  6. Step 6: Final answer
    x = 11,590.22

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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.