Home / 21,373.50-29,494.89-11,942.13

Finding the Fourth Proportional to 21,373.50, 29,494.89 and 11,942.13

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Solution

The fourth proportional to 21,373.50, 29,494.89 and 11,942.13 is: 16,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.50 : 29,494.89 = 11,942.13 : x
  2. Step 2: Convert to fraction form
    21,373.50/29,494.89 = 11,942.13/x
  3. Step 3: Cross multiply
    21,373.50x = 29,494.89 × 11,942.13
  4. Step 4: Simplify right side
    21,373.50x = 352,231,810.72
  5. Step 5: Solve for x
    x = 352,231,810.72/21,373.50
  6. Step 6: Final answer
    x = 16,479.84

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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.