Home / 18,070.07-27,121.31-15,126.94

Finding the Fourth Proportional to 18,070.07, 27,121.31 and 15,126.94

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Solution

The fourth proportional to 18,070.07, 27,121.31 and 15,126.94 is: 22,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.07 : 27,121.31 = 15,126.94 : x
  2. Step 2: Convert to fraction form
    18,070.07/27,121.31 = 15,126.94/x
  3. Step 3: Cross multiply
    18,070.07x = 27,121.31 × 15,126.94
  4. Step 4: Simplify right side
    18,070.07x = 410,262,217.85
  5. Step 5: Solve for x
    x = 410,262,217.85/18,070.07
  6. Step 6: Final answer
    x = 22,703.96

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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.