Home / 21,484.83-32,229.21-9,008.64

Finding the Fourth Proportional to 21,484.83, 32,229.21 and 9,008.64

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Solution

The fourth proportional to 21,484.83, 32,229.21 and 9,008.64 is: 13,513.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.83 : 32,229.21 = 9,008.64 : x
  2. Step 2: Convert to fraction form
    21,484.83/32,229.21 = 9,008.64/x
  3. Step 3: Cross multiply
    21,484.83x = 32,229.21 × 9,008.64
  4. Step 4: Simplify right side
    21,484.83x = 290,341,350.37
  5. Step 5: Solve for x
    x = 290,341,350.37/21,484.83
  6. Step 6: Final answer
    x = 13,513.78

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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.