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Finding the Fourth Proportional to 14,342.44, 19,794.42 and 8,054.81

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Solution

The fourth proportional to 14,342.44, 19,794.42 and 8,054.81 is: 11,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.44 : 19,794.42 = 8,054.81 : x
  2. Step 2: Convert to fraction form
    14,342.44/19,794.42 = 8,054.81/x
  3. Step 3: Cross multiply
    14,342.44x = 19,794.42 × 8,054.81
  4. Step 4: Simplify right side
    14,342.44x = 159,440,341.65
  5. Step 5: Solve for x
    x = 159,440,341.65/14,342.44
  6. Step 6: Final answer
    x = 11,116.68

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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.