Home / 19,112.47-28,670.03-8,008.00

Finding the Fourth Proportional to 19,112.47, 28,670.03 and 8,008.00

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Solution

The fourth proportional to 19,112.47, 28,670.03 and 8,008.00 is: 12,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.47 : 28,670.03 = 8,008.00 : x
  2. Step 2: Convert to fraction form
    19,112.47/28,670.03 = 8,008.00/x
  3. Step 3: Cross multiply
    19,112.47x = 28,670.03 × 8,008.00
  4. Step 4: Simplify right side
    19,112.47x = 229,589,416.85
  5. Step 5: Solve for x
    x = 229,589,416.85/19,112.47
  6. Step 6: Final answer
    x = 12,012.55

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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.