Home / 10,883.58-15,019.32-6,634.62

Finding the Fourth Proportional to 10,883.58, 15,019.32 and 6,634.62

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Solution

The fourth proportional to 10,883.58, 15,019.32 and 6,634.62 is: 9,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.58 : 15,019.32 = 6,634.62 : x
  2. Step 2: Convert to fraction form
    10,883.58/15,019.32 = 6,634.62/x
  3. Step 3: Cross multiply
    10,883.58x = 15,019.32 × 6,634.62
  4. Step 4: Simplify right side
    10,883.58x = 99,647,480.86
  5. Step 5: Solve for x
    x = 99,647,480.86/10,883.58
  6. Step 6: Final answer
    x = 9,155.76

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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.