Home / 11,763.43-17,629.57-8,628.76

Finding the Fourth Proportional to 11,763.43, 17,629.57 and 8,628.76

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Solution

The fourth proportional to 11,763.43, 17,629.57 and 8,628.76 is: 12,931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.43 : 17,629.57 = 8,628.76 : x
  2. Step 2: Convert to fraction form
    11,763.43/17,629.57 = 8,628.76/x
  3. Step 3: Cross multiply
    11,763.43x = 17,629.57 × 8,628.76
  4. Step 4: Simplify right side
    11,763.43x = 152,121,339.22
  5. Step 5: Solve for x
    x = 152,121,339.22/11,763.43
  6. Step 6: Final answer
    x = 12,931.71

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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.