Home / 19,108.14-28,667.52-8,012.22

Finding the Fourth Proportional to 19,108.14, 28,667.52 and 8,012.22

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Solution

The fourth proportional to 19,108.14, 28,667.52 and 8,012.22 is: 12,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.14 : 28,667.52 = 8,012.22 : x
  2. Step 2: Convert to fraction form
    19,108.14/28,667.52 = 8,012.22/x
  3. Step 3: Cross multiply
    19,108.14x = 28,667.52 × 8,012.22
  4. Step 4: Simplify right side
    19,108.14x = 229,690,477.09
  5. Step 5: Solve for x
    x = 229,690,477.09/19,108.14
  6. Step 6: Final answer
    x = 12,020.56

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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.