Home / 21,234.15-29,303.34-11,674.53

Finding the Fourth Proportional to 21,234.15, 29,303.34 and 11,674.53

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Solution

The fourth proportional to 21,234.15, 29,303.34 and 11,674.53 is: 16,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,234.15 : 29,303.34 = 11,674.53 : x
  2. Step 2: Convert to fraction form
    21,234.15/29,303.34 = 11,674.53/x
  3. Step 3: Cross multiply
    21,234.15x = 29,303.34 × 11,674.53
  4. Step 4: Simplify right side
    21,234.15x = 342,102,721.93
  5. Step 5: Solve for x
    x = 342,102,721.93/21,234.15
  6. Step 6: Final answer
    x = 16,110.97

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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.