Home / 21,409.06-32,118.47-11,548.12

Finding the Fourth Proportional to 21,409.06, 32,118.47 and 11,548.12

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Solution

The fourth proportional to 21,409.06, 32,118.47 and 11,548.12 is: 17,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.06 : 32,118.47 = 11,548.12 : x
  2. Step 2: Convert to fraction form
    21,409.06/32,118.47 = 11,548.12/x
  3. Step 3: Cross multiply
    21,409.06x = 32,118.47 × 11,548.12
  4. Step 4: Simplify right side
    21,409.06x = 370,907,945.78
  5. Step 5: Solve for x
    x = 370,907,945.78/21,409.06
  6. Step 6: Final answer
    x = 17,324.81

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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.