Home / 10,639.44-15,962.79-4,067.51

Finding the Fourth Proportional to 10,639.44, 15,962.79 and 4,067.51

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Solution

The fourth proportional to 10,639.44, 15,962.79 and 4,067.51 is: 6,102.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.44 : 15,962.79 = 4,067.51 : x
  2. Step 2: Convert to fraction form
    10,639.44/15,962.79 = 4,067.51/x
  3. Step 3: Cross multiply
    10,639.44x = 15,962.79 × 4,067.51
  4. Step 4: Simplify right side
    10,639.44x = 64,928,728.14
  5. Step 5: Solve for x
    x = 64,928,728.14/10,639.44
  6. Step 6: Final answer
    x = 6,102.65

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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.