Home / 21,234.55-29,302.93-11,674.37

Finding the Fourth Proportional to 21,234.55, 29,302.93 and 11,674.37

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Solution

The fourth proportional to 21,234.55, 29,302.93 and 11,674.37 is: 16,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,234.55 : 29,302.93 = 11,674.37 : x
  2. Step 2: Convert to fraction form
    21,234.55/29,302.93 = 11,674.37/x
  3. Step 3: Cross multiply
    21,234.55x = 29,302.93 × 11,674.37
  4. Step 4: Simplify right side
    21,234.55x = 342,093,246.90
  5. Step 5: Solve for x
    x = 342,093,246.90/21,234.55
  6. Step 6: Final answer
    x = 16,110.22

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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.