Home / 21,765.36-32,646.96-6,180.96

Finding the Fourth Proportional to 21,765.36, 32,646.96 and 6,180.96

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Solution

The fourth proportional to 21,765.36, 32,646.96 and 6,180.96 is: 9,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765.36 : 32,646.96 = 6,180.96 : x
  2. Step 2: Convert to fraction form
    21,765.36/32,646.96 = 6,180.96/x
  3. Step 3: Cross multiply
    21,765.36x = 32,646.96 × 6,180.96
  4. Step 4: Simplify right side
    21,765.36x = 201,789,553.88
  5. Step 5: Solve for x
    x = 201,789,553.88/21,765.36
  6. Step 6: Final answer
    x = 9,271.13

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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.