Home / 14,162.18-21,233.94-7,922.84

Finding the Fourth Proportional to 14,162.18, 21,233.94 and 7,922.84

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Solution

The fourth proportional to 14,162.18, 21,233.94 and 7,922.84 is: 11,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.18 : 21,233.94 = 7,922.84 : x
  2. Step 2: Convert to fraction form
    14,162.18/21,233.94 = 7,922.84/x
  3. Step 3: Cross multiply
    14,162.18x = 21,233.94 × 7,922.84
  4. Step 4: Simplify right side
    14,162.18x = 168,233,109.19
  5. Step 5: Solve for x
    x = 168,233,109.19/14,162.18
  6. Step 6: Final answer
    x = 11,879.04

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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.