Home / 20,173.39-30,260.22-7,025.72

Finding the Fourth Proportional to 20,173.39, 30,260.22 and 7,025.72

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Solution

The fourth proportional to 20,173.39, 30,260.22 and 7,025.72 is: 10,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.39 : 30,260.22 = 7,025.72 : x
  2. Step 2: Convert to fraction form
    20,173.39/30,260.22 = 7,025.72/x
  3. Step 3: Cross multiply
    20,173.39x = 30,260.22 × 7,025.72
  4. Step 4: Simplify right side
    20,173.39x = 212,599,832.86
  5. Step 5: Solve for x
    x = 212,599,832.86/20,173.39
  6. Step 6: Final answer
    x = 10,538.63

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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.