Home / 12,529.43-17,289.87-6,863.05

Finding the Fourth Proportional to 12,529.43, 17,289.87 and 6,863.05

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Solution

The fourth proportional to 12,529.43, 17,289.87 and 6,863.05 is: 9,470.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.43 : 17,289.87 = 6,863.05 : x
  2. Step 2: Convert to fraction form
    12,529.43/17,289.87 = 6,863.05/x
  3. Step 3: Cross multiply
    12,529.43x = 17,289.87 × 6,863.05
  4. Step 4: Simplify right side
    12,529.43x = 118,661,155.85
  5. Step 5: Solve for x
    x = 118,661,155.85/12,529.43
  6. Step 6: Final answer
    x = 9,470.59

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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.