Home / 19,206.50-28,814.60-8,107.47

Finding the Fourth Proportional to 19,206.50, 28,814.60 and 8,107.47

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Solution

The fourth proportional to 19,206.50, 28,814.60 and 8,107.47 is: 12,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206.50 : 28,814.60 = 8,107.47 : x
  2. Step 2: Convert to fraction form
    19,206.50/28,814.60 = 8,107.47/x
  3. Step 3: Cross multiply
    19,206.50x = 28,814.60 × 8,107.47
  4. Step 4: Simplify right side
    19,206.50x = 233,613,525.33
  5. Step 5: Solve for x
    x = 233,613,525.33/19,206.50
  6. Step 6: Final answer
    x = 12,163.26

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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.