Home / 19,999.06-30,004.15-8,752.39

Finding the Fourth Proportional to 19,999.06, 30,004.15 and 8,752.39

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Solution

The fourth proportional to 19,999.06, 30,004.15 and 8,752.39 is: 13,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999.06 : 30,004.15 = 8,752.39 : x
  2. Step 2: Convert to fraction form
    19,999.06/30,004.15 = 8,752.39/x
  3. Step 3: Cross multiply
    19,999.06x = 30,004.15 × 8,752.39
  4. Step 4: Simplify right side
    19,999.06x = 262,608,022.42
  5. Step 5: Solve for x
    x = 262,608,022.42/19,999.06
  6. Step 6: Final answer
    x = 13,131.02

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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.