Home / 14,091.96-19,442.48-8,122.80

Finding the Fourth Proportional to 14,091.96, 19,442.48 and 8,122.80

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Solution

The fourth proportional to 14,091.96, 19,442.48 and 8,122.80 is: 11,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.96 : 19,442.48 = 8,122.80 : x
  2. Step 2: Convert to fraction form
    14,091.96/19,442.48 = 8,122.80/x
  3. Step 3: Cross multiply
    14,091.96x = 19,442.48 × 8,122.80
  4. Step 4: Simplify right side
    14,091.96x = 157,927,335.93
  5. Step 5: Solve for x
    x = 157,927,335.93/14,091.96
  6. Step 6: Final answer
    x = 11,206.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.