Home / 20,116.23-30,164.60-11,798.97

Finding the Fourth Proportional to 20,116.23, 30,164.60 and 11,798.97

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Solution

The fourth proportional to 20,116.23, 30,164.60 and 11,798.97 is: 17,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.23 : 30,164.60 = 11,798.97 : x
  2. Step 2: Convert to fraction form
    20,116.23/30,164.60 = 11,798.97/x
  3. Step 3: Cross multiply
    20,116.23x = 30,164.60 × 11,798.97
  4. Step 4: Simplify right side
    20,116.23x = 355,911,000.64
  5. Step 5: Solve for x
    x = 355,911,000.64/20,116.23
  6. Step 6: Final answer
    x = 17,692.73

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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.