Home / 21,571.25-32,313.13-11,161.13

Finding the Fourth Proportional to 21,571.25, 32,313.13 and 11,161.13

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Solution

The fourth proportional to 21,571.25, 32,313.13 and 11,161.13 is: 16,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.25 : 32,313.13 = 11,161.13 : x
  2. Step 2: Convert to fraction form
    21,571.25/32,313.13 = 11,161.13/x
  3. Step 3: Cross multiply
    21,571.25x = 32,313.13 × 11,161.13
  4. Step 4: Simplify right side
    21,571.25x = 360,650,855.17
  5. Step 5: Solve for x
    x = 360,650,855.17/21,571.25
  6. Step 6: Final answer
    x = 16,719.06

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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.