Home / 20,603.25-30,907.86-6,372.84

Finding the Fourth Proportional to 20,603.25, 30,907.86 and 6,372.84

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Solution

The fourth proportional to 20,603.25, 30,907.86 and 6,372.84 is: 9,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603.25 : 30,907.86 = 6,372.84 : x
  2. Step 2: Convert to fraction form
    20,603.25/30,907.86 = 6,372.84/x
  3. Step 3: Cross multiply
    20,603.25x = 30,907.86 × 6,372.84
  4. Step 4: Simplify right side
    20,603.25x = 196,970,846.52
  5. Step 5: Solve for x
    x = 196,970,846.52/20,603.25
  6. Step 6: Final answer
    x = 9,560.18

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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.