Home / 18,226.61-27,339.92-14,072.69

Finding the Fourth Proportional to 18,226.61, 27,339.92 and 14,072.69

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Solution

The fourth proportional to 18,226.61, 27,339.92 and 14,072.69 is: 21,109.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.61 : 27,339.92 = 14,072.69 : x
  2. Step 2: Convert to fraction form
    18,226.61/27,339.92 = 14,072.69/x
  3. Step 3: Cross multiply
    18,226.61x = 27,339.92 × 14,072.69
  4. Step 4: Simplify right side
    18,226.61x = 384,746,011.72
  5. Step 5: Solve for x
    x = 384,746,011.72/18,226.61
  6. Step 6: Final answer
    x = 21,109.03

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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.