Home / 19,175.50-28,739.01-8,634.29

Finding the Fourth Proportional to 19,175.50, 28,739.01 and 8,634.29

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Solution

The fourth proportional to 19,175.50, 28,739.01 and 8,634.29 is: 12,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.50 : 28,739.01 = 8,634.29 : x
  2. Step 2: Convert to fraction form
    19,175.50/28,739.01 = 8,634.29/x
  3. Step 3: Cross multiply
    19,175.50x = 28,739.01 × 8,634.29
  4. Step 4: Simplify right side
    19,175.50x = 248,140,946.65
  5. Step 5: Solve for x
    x = 248,140,946.65/19,175.50
  6. Step 6: Final answer
    x = 12,940.52

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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.