Home / 17,868.78-26,784.27-8,012.70

Finding the Fourth Proportional to 17,868.78, 26,784.27 and 8,012.70

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Solution

The fourth proportional to 17,868.78, 26,784.27 and 8,012.70 is: 12,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.78 : 26,784.27 = 8,012.70 : x
  2. Step 2: Convert to fraction form
    17,868.78/26,784.27 = 8,012.70/x
  3. Step 3: Cross multiply
    17,868.78x = 26,784.27 × 8,012.70
  4. Step 4: Simplify right side
    17,868.78x = 214,614,320.23
  5. Step 5: Solve for x
    x = 214,614,320.23/17,868.78
  6. Step 6: Final answer
    x = 12,010.57

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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.