Home / 21,426.66-29,569.16-11,736.98

Finding the Fourth Proportional to 21,426.66, 29,569.16 and 11,736.98

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Solution

The fourth proportional to 21,426.66, 29,569.16 and 11,736.98 is: 16,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426.66 : 29,569.16 = 11,736.98 : x
  2. Step 2: Convert to fraction form
    21,426.66/29,569.16 = 11,736.98/x
  3. Step 3: Cross multiply
    21,426.66x = 29,569.16 × 11,736.98
  4. Step 4: Simplify right side
    21,426.66x = 347,052,639.54
  5. Step 5: Solve for x
    x = 347,052,639.54/21,426.66
  6. Step 6: Final answer
    x = 16,197.23

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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.