Home / 17,660.30-26,491.39-4,512.78

Finding the Fourth Proportional to 17,660.30, 26,491.39 and 4,512.78

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Solution

The fourth proportional to 17,660.30, 26,491.39 and 4,512.78 is: 6,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.30 : 26,491.39 = 4,512.78 : x
  2. Step 2: Convert to fraction form
    17,660.30/26,491.39 = 4,512.78/x
  3. Step 3: Cross multiply
    17,660.30x = 26,491.39 × 4,512.78
  4. Step 4: Simplify right side
    17,660.30x = 119,549,803.68
  5. Step 5: Solve for x
    x = 119,549,803.68/17,660.30
  6. Step 6: Final answer
    x = 6,769.41

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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.