Home / 12,491.07-17,232.26-8,236.68

Finding the Fourth Proportional to 12,491.07, 17,232.26 and 8,236.68

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Solution

The fourth proportional to 12,491.07, 17,232.26 and 8,236.68 is: 11,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491.07 : 17,232.26 = 8,236.68 : x
  2. Step 2: Convert to fraction form
    12,491.07/17,232.26 = 8,236.68/x
  3. Step 3: Cross multiply
    12,491.07x = 17,232.26 × 8,236.68
  4. Step 4: Simplify right side
    12,491.07x = 141,936,570.11
  5. Step 5: Solve for x
    x = 141,936,570.11/12,491.07
  6. Step 6: Final answer
    x = 11,363.04

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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.