Home / 19,141.61-26,418.68-12,333.71

Finding the Fourth Proportional to 19,141.61, 26,418.68 and 12,333.71

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Solution

The fourth proportional to 19,141.61, 26,418.68 and 12,333.71 is: 17,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.61 : 26,418.68 = 12,333.71 : x
  2. Step 2: Convert to fraction form
    19,141.61/26,418.68 = 12,333.71/x
  3. Step 3: Cross multiply
    19,141.61x = 26,418.68 × 12,333.71
  4. Step 4: Simplify right side
    19,141.61x = 325,840,143.94
  5. Step 5: Solve for x
    x = 325,840,143.94/19,141.61
  6. Step 6: Final answer
    x = 17,022.61

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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.