Home / 20,070.98-30,110.88-6,743.50

Finding the Fourth Proportional to 20,070.98, 30,110.88 and 6,743.50

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Solution

The fourth proportional to 20,070.98, 30,110.88 and 6,743.50 is: 10,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.98 : 30,110.88 = 6,743.50 : x
  2. Step 2: Convert to fraction form
    20,070.98/30,110.88 = 6,743.50/x
  3. Step 3: Cross multiply
    20,070.98x = 30,110.88 × 6,743.50
  4. Step 4: Simplify right side
    20,070.98x = 203,052,719.28
  5. Step 5: Solve for x
    x = 203,052,719.28/20,070.98
  6. Step 6: Final answer
    x = 10,116.73

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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.