Home / 21,765.12-32,646.24-6,181.44

Finding the Fourth Proportional to 21,765.12, 32,646.24 and 6,181.44

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Solution

The fourth proportional to 21,765.12, 32,646.24 and 6,181.44 is: 9,271.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765.12 : 32,646.24 = 6,181.44 : x
  2. Step 2: Convert to fraction form
    21,765.12/32,646.24 = 6,181.44/x
  3. Step 3: Cross multiply
    21,765.12x = 32,646.24 × 6,181.44
  4. Step 4: Simplify right side
    21,765.12x = 201,800,773.79
  5. Step 5: Solve for x
    x = 201,800,773.79/21,765.12
  6. Step 6: Final answer
    x = 9,271.75

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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.