Home / 21,292.17-29,382.96-12,093.66

Finding the Fourth Proportional to 21,292.17, 29,382.96 and 12,093.66

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Solution

The fourth proportional to 21,292.17, 29,382.96 and 12,093.66 is: 16,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,292.17 : 29,382.96 = 12,093.66 : x
  2. Step 2: Convert to fraction form
    21,292.17/29,382.96 = 12,093.66/x
  3. Step 3: Cross multiply
    21,292.17x = 29,382.96 × 12,093.66
  4. Step 4: Simplify right side
    21,292.17x = 355,347,537.08
  5. Step 5: Solve for x
    x = 355,347,537.08/21,292.17
  6. Step 6: Final answer
    x = 16,689.12

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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.