Home / 20,634.51-30,922.59-10,253.55

Finding the Fourth Proportional to 20,634.51, 30,922.59 and 10,253.55

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Solution

The fourth proportional to 20,634.51, 30,922.59 and 10,253.55 is: 15,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.51 : 30,922.59 = 10,253.55 : x
  2. Step 2: Convert to fraction form
    20,634.51/30,922.59 = 10,253.55/x
  3. Step 3: Cross multiply
    20,634.51x = 30,922.59 × 10,253.55
  4. Step 4: Simplify right side
    20,634.51x = 317,066,322.69
  5. Step 5: Solve for x
    x = 317,066,322.69/20,634.51
  6. Step 6: Final answer
    x = 15,365.83

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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.