Home / 20,627.36-30,940.72-6,587.30

Finding the Fourth Proportional to 20,627.36, 30,940.72 and 6,587.30

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Solution

The fourth proportional to 20,627.36, 30,940.72 and 6,587.30 is: 9,880.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.36 : 30,940.72 = 6,587.30 : x
  2. Step 2: Convert to fraction form
    20,627.36/30,940.72 = 6,587.30/x
  3. Step 3: Cross multiply
    20,627.36x = 30,940.72 × 6,587.30
  4. Step 4: Simplify right side
    20,627.36x = 203,815,804.86
  5. Step 5: Solve for x
    x = 203,815,804.86/20,627.36
  6. Step 6: Final answer
    x = 9,880.85

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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.