Home / 20,116.16-30,177.06-6,074.60

Finding the Fourth Proportional to 20,116.16, 30,177.06 and 6,074.60

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Solution

The fourth proportional to 20,116.16, 30,177.06 and 6,074.60 is: 9,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.16 : 30,177.06 = 6,074.60 : x
  2. Step 2: Convert to fraction form
    20,116.16/30,177.06 = 6,074.60/x
  3. Step 3: Cross multiply
    20,116.16x = 30,177.06 × 6,074.60
  4. Step 4: Simplify right side
    20,116.16x = 183,313,471.62
  5. Step 5: Solve for x
    x = 183,313,471.62/20,116.16
  6. Step 6: Final answer
    x = 9,112.75

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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.