Home / 21,814.84-32,720.37-13,496.14

Finding the Fourth Proportional to 21,814.84, 32,720.37 and 13,496.14

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Solution

The fourth proportional to 21,814.84, 32,720.37 and 13,496.14 is: 20,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,814.84 : 32,720.37 = 13,496.14 : x
  2. Step 2: Convert to fraction form
    21,814.84/32,720.37 = 13,496.14/x
  3. Step 3: Cross multiply
    21,814.84x = 32,720.37 × 13,496.14
  4. Step 4: Simplify right side
    21,814.84x = 441,598,694.37
  5. Step 5: Solve for x
    x = 441,598,694.37/21,814.84
  6. Step 6: Final answer
    x = 20,243.04

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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.