Home / 21,633.39-29,852.19-12,072.56

Finding the Fourth Proportional to 21,633.39, 29,852.19 and 12,072.56

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Solution

The fourth proportional to 21,633.39, 29,852.19 and 12,072.56 is: 16,659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.39 : 29,852.19 = 12,072.56 : x
  2. Step 2: Convert to fraction form
    21,633.39/29,852.19 = 12,072.56/x
  3. Step 3: Cross multiply
    21,633.39x = 29,852.19 × 12,072.56
  4. Step 4: Simplify right side
    21,633.39x = 360,392,354.91
  5. Step 5: Solve for x
    x = 360,392,354.91/21,633.39
  6. Step 6: Final answer
    x = 16,659.08

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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.