Home / 19,224.72-28,840.86-8,131.32

Finding the Fourth Proportional to 19,224.72, 28,840.86 and 8,131.32

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Solution

The fourth proportional to 19,224.72, 28,840.86 and 8,131.32 is: 12,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,224.72 : 28,840.86 = 8,131.32 : x
  2. Step 2: Convert to fraction form
    19,224.72/28,840.86 = 8,131.32/x
  3. Step 3: Cross multiply
    19,224.72x = 28,840.86 × 8,131.32
  4. Step 4: Simplify right side
    19,224.72x = 234,514,261.74
  5. Step 5: Solve for x
    x = 234,514,261.74/19,224.72
  6. Step 6: Final answer
    x = 12,198.58

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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.