Home / 11,150.58-16,718.22-5,307.78

Finding the Fourth Proportional to 11,150.58, 16,718.22 and 5,307.78

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Solution

The fourth proportional to 11,150.58, 16,718.22 and 5,307.78 is: 7,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.58 : 16,718.22 = 5,307.78 : x
  2. Step 2: Convert to fraction form
    11,150.58/16,718.22 = 5,307.78/x
  3. Step 3: Cross multiply
    11,150.58x = 16,718.22 × 5,307.78
  4. Step 4: Simplify right side
    11,150.58x = 88,736,633.75
  5. Step 5: Solve for x
    x = 88,736,633.75/11,150.58
  6. Step 6: Final answer
    x = 7,958.03

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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.