Home / 20,634.44-28,475.60-11,202.99

Finding the Fourth Proportional to 20,634.44, 28,475.60 and 11,202.99

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Solution

The fourth proportional to 20,634.44, 28,475.60 and 11,202.99 is: 15,460.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.44 : 28,475.60 = 11,202.99 : x
  2. Step 2: Convert to fraction form
    20,634.44/28,475.60 = 11,202.99/x
  3. Step 3: Cross multiply
    20,634.44x = 28,475.60 × 11,202.99
  4. Step 4: Simplify right side
    20,634.44x = 319,011,806.03
  5. Step 5: Solve for x
    x = 319,011,806.03/20,634.44
  6. Step 6: Final answer
    x = 15,460.17

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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.