Home / 19,451.62-26,842.18-11,490.94

Finding the Fourth Proportional to 19,451.62, 26,842.18 and 11,490.94

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Solution

The fourth proportional to 19,451.62, 26,842.18 and 11,490.94 is: 15,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.62 : 26,842.18 = 11,490.94 : x
  2. Step 2: Convert to fraction form
    19,451.62/26,842.18 = 11,490.94/x
  3. Step 3: Cross multiply
    19,451.62x = 26,842.18 × 11,490.94
  4. Step 4: Simplify right side
    19,451.62x = 308,441,879.85
  5. Step 5: Solve for x
    x = 308,441,879.85/19,451.62
  6. Step 6: Final answer
    x = 15,856.87

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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.