Home / 19,257.02-28,879.65-8,163.50

Finding the Fourth Proportional to 19,257.02, 28,879.65 and 8,163.50

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Solution

The fourth proportional to 19,257.02, 28,879.65 and 8,163.50 is: 12,242.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.02 : 28,879.65 = 8,163.50 : x
  2. Step 2: Convert to fraction form
    19,257.02/28,879.65 = 8,163.50/x
  3. Step 3: Cross multiply
    19,257.02x = 28,879.65 × 8,163.50
  4. Step 4: Simplify right side
    19,257.02x = 235,759,022.78
  5. Step 5: Solve for x
    x = 235,759,022.78/19,257.02
  6. Step 6: Final answer
    x = 12,242.76

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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.