Home / 15,028.44-20,717.25-10,538.64

Finding the Fourth Proportional to 15,028.44, 20,717.25 and 10,538.64

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Solution

The fourth proportional to 15,028.44, 20,717.25 and 10,538.64 is: 14,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028.44 : 20,717.25 = 10,538.64 : x
  2. Step 2: Convert to fraction form
    15,028.44/20,717.25 = 10,538.64/x
  3. Step 3: Cross multiply
    15,028.44x = 20,717.25 × 10,538.64
  4. Step 4: Simplify right side
    15,028.44x = 218,331,639.54
  5. Step 5: Solve for x
    x = 218,331,639.54/15,028.44
  6. Step 6: Final answer
    x = 14,527.90

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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.