Home / 21,546.39-29,733.72-12,114.95

Finding the Fourth Proportional to 21,546.39, 29,733.72 and 12,114.95

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Solution

The fourth proportional to 21,546.39, 29,733.72 and 12,114.95 is: 16,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.39 : 29,733.72 = 12,114.95 : x
  2. Step 2: Convert to fraction form
    21,546.39/29,733.72 = 12,114.95/x
  3. Step 3: Cross multiply
    21,546.39x = 29,733.72 × 12,114.95
  4. Step 4: Simplify right side
    21,546.39x = 360,222,382.45
  5. Step 5: Solve for x
    x = 360,222,382.45/21,546.39
  6. Step 6: Final answer
    x = 16,718.46

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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.