Home / 18,042.43-27,053.52-12,426.70

Finding the Fourth Proportional to 18,042.43, 27,053.52 and 12,426.70

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Solution

The fourth proportional to 18,042.43, 27,053.52 and 12,426.70 is: 18,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.43 : 27,053.52 = 12,426.70 : x
  2. Step 2: Convert to fraction form
    18,042.43/27,053.52 = 12,426.70/x
  3. Step 3: Cross multiply
    18,042.43x = 27,053.52 × 12,426.70
  4. Step 4: Simplify right side
    18,042.43x = 336,185,976.98
  5. Step 5: Solve for x
    x = 336,185,976.98/18,042.43
  6. Step 6: Final answer
    x = 18,633.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.