Home / 16,859.43-25,286.99-5,171.67

Finding the Fourth Proportional to 16,859.43, 25,286.99 and 5,171.67

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Solution

The fourth proportional to 16,859.43, 25,286.99 and 5,171.67 is: 7,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.43 : 25,286.99 = 5,171.67 : x
  2. Step 2: Convert to fraction form
    16,859.43/25,286.99 = 5,171.67/x
  3. Step 3: Cross multiply
    16,859.43x = 25,286.99 × 5,171.67
  4. Step 4: Simplify right side
    16,859.43x = 130,775,941.71
  5. Step 5: Solve for x
    x = 130,775,941.71/16,859.43
  6. Step 6: Final answer
    x = 7,756.84

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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.