Home / 21,484.68-32,236.26-11,631

Finding the Fourth Proportional to 21,484.68, 32,236.26 and 11,631

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Solution

The fourth proportional to 21,484.68, 32,236.26 and 11,631 is: 17,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.68 : 32,236.26 = 11,631 : x
  2. Step 2: Convert to fraction form
    21,484.68/32,236.26 = 11,631/x
  3. Step 3: Cross multiply
    21,484.68x = 32,236.26 × 11,631
  4. Step 4: Simplify right side
    21,484.68x = 374,939,940.06
  5. Step 5: Solve for x
    x = 374,939,940.06/21,484.68
  6. Step 6: Final answer
    x = 17,451.50

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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.