Home / 20,431.52-30,647.28-6,582.56

Finding the Fourth Proportional to 20,431.52, 30,647.28 and 6,582.56

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Solution

The fourth proportional to 20,431.52, 30,647.28 and 6,582.56 is: 9,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,431.52 : 30,647.28 = 6,582.56 : x
  2. Step 2: Convert to fraction form
    20,431.52/30,647.28 = 6,582.56/x
  3. Step 3: Cross multiply
    20,431.52x = 30,647.28 × 6,582.56
  4. Step 4: Simplify right side
    20,431.52x = 201,737,559.44
  5. Step 5: Solve for x
    x = 201,737,559.44/20,431.52
  6. Step 6: Final answer
    x = 9,873.84

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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.