Home / 22,450.64-30,988.68-13,021.52

Finding the Fourth Proportional to 22,450.64, 30,988.68 and 13,021.52

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Solution

The fourth proportional to 22,450.64, 30,988.68 and 13,021.52 is: 17,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,450.64 : 30,988.68 = 13,021.52 : x
  2. Step 2: Convert to fraction form
    22,450.64/30,988.68 = 13,021.52/x
  3. Step 3: Cross multiply
    22,450.64x = 30,988.68 × 13,021.52
  4. Step 4: Simplify right side
    22,450.64x = 403,519,716.39
  5. Step 5: Solve for x
    x = 403,519,716.39/22,450.64
  6. Step 6: Final answer
    x = 17,973.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.