Home / 20,112.78-30,157.41-6,068.59

Finding the Fourth Proportional to 20,112.78, 30,157.41 and 6,068.59

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Solution

The fourth proportional to 20,112.78, 30,157.41 and 6,068.59 is: 9,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112.78 : 30,157.41 = 6,068.59 : x
  2. Step 2: Convert to fraction form
    20,112.78/30,157.41 = 6,068.59/x
  3. Step 3: Cross multiply
    20,112.78x = 30,157.41 × 6,068.59
  4. Step 4: Simplify right side
    20,112.78x = 183,012,926.41
  5. Step 5: Solve for x
    x = 183,012,926.41/20,112.78
  6. Step 6: Final answer
    x = 9,099.34

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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.