Home / 11,145.97-16,718.60-4,567.21

Finding the Fourth Proportional to 11,145.97, 16,718.60 and 4,567.21

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Solution

The fourth proportional to 11,145.97, 16,718.60 and 4,567.21 is: 6,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.97 : 16,718.60 = 4,567.21 : x
  2. Step 2: Convert to fraction form
    11,145.97/16,718.60 = 4,567.21/x
  3. Step 3: Cross multiply
    11,145.97x = 16,718.60 × 4,567.21
  4. Step 4: Simplify right side
    11,145.97x = 76,357,357.11
  5. Step 5: Solve for x
    x = 76,357,357.11/11,145.97
  6. Step 6: Final answer
    x = 6,850.67

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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.