Home / 20,146.50-30,220.83-6,296.58

Finding the Fourth Proportional to 20,146.50, 30,220.83 and 6,296.58

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Solution

The fourth proportional to 20,146.50, 30,220.83 and 6,296.58 is: 9,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146.50 : 30,220.83 = 6,296.58 : x
  2. Step 2: Convert to fraction form
    20,146.50/30,220.83 = 6,296.58/x
  3. Step 3: Cross multiply
    20,146.50x = 30,220.83 × 6,296.58
  4. Step 4: Simplify right side
    20,146.50x = 190,287,873.76
  5. Step 5: Solve for x
    x = 190,287,873.76/20,146.50
  6. Step 6: Final answer
    x = 9,445.21

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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.