Home / 21,751.36-32,622.24-6,168.64

Finding the Fourth Proportional to 21,751.36, 32,622.24 and 6,168.64

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Solution

The fourth proportional to 21,751.36, 32,622.24 and 6,168.64 is: 9,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751.36 : 32,622.24 = 6,168.64 : x
  2. Step 2: Convert to fraction form
    21,751.36/32,622.24 = 6,168.64/x
  3. Step 3: Cross multiply
    21,751.36x = 32,622.24 × 6,168.64
  4. Step 4: Simplify right side
    21,751.36x = 201,234,854.55
  5. Step 5: Solve for x
    x = 201,234,854.55/21,751.36
  6. Step 6: Final answer
    x = 9,251.60

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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.