Home / 19,069.32-28,610.82-8,538.48

Finding the Fourth Proportional to 19,069.32, 28,610.82 and 8,538.48

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Solution

The fourth proportional to 19,069.32, 28,610.82 and 8,538.48 is: 12,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.32 : 28,610.82 = 8,538.48 : x
  2. Step 2: Convert to fraction form
    19,069.32/28,610.82 = 8,538.48/x
  3. Step 3: Cross multiply
    19,069.32x = 28,610.82 × 8,538.48
  4. Step 4: Simplify right side
    19,069.32x = 244,292,914.35
  5. Step 5: Solve for x
    x = 244,292,914.35/19,069.32
  6. Step 6: Final answer
    x = 12,810.78

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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.