Home / 20,172.53-30,262.91-7,025.93

Finding the Fourth Proportional to 20,172.53, 30,262.91 and 7,025.93

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Solution

The fourth proportional to 20,172.53, 30,262.91 and 7,025.93 is: 10,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,172.53 : 30,262.91 = 7,025.93 : x
  2. Step 2: Convert to fraction form
    20,172.53/30,262.91 = 7,025.93/x
  3. Step 3: Cross multiply
    20,172.53x = 30,262.91 × 7,025.93
  4. Step 4: Simplify right side
    20,172.53x = 212,625,014.30
  5. Step 5: Solve for x
    x = 212,625,014.30/20,172.53
  6. Step 6: Final answer
    x = 10,540.32

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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.