Home / 11,043.08-15,245.09-8,519.53

Finding the Fourth Proportional to 11,043.08, 15,245.09 and 8,519.53

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Solution

The fourth proportional to 11,043.08, 15,245.09 and 8,519.53 is: 11,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.08 : 15,245.09 = 8,519.53 : x
  2. Step 2: Convert to fraction form
    11,043.08/15,245.09 = 8,519.53/x
  3. Step 3: Cross multiply
    11,043.08x = 15,245.09 × 8,519.53
  4. Step 4: Simplify right side
    11,043.08x = 129,880,953.06
  5. Step 5: Solve for x
    x = 129,880,953.06/11,043.08
  6. Step 6: Final answer
    x = 11,761.30

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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.