Home / 11,528.06-17,269.40-8,608.82

Finding the Fourth Proportional to 11,528.06, 17,269.40 and 8,608.82

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Solution

The fourth proportional to 11,528.06, 17,269.40 and 8,608.82 is: 12,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.06 : 17,269.40 = 8,608.82 : x
  2. Step 2: Convert to fraction form
    11,528.06/17,269.40 = 8,608.82/x
  3. Step 3: Cross multiply
    11,528.06x = 17,269.40 × 8,608.82
  4. Step 4: Simplify right side
    11,528.06x = 148,669,091.28
  5. Step 5: Solve for x
    x = 148,669,091.28/11,528.06
  6. Step 6: Final answer
    x = 12,896.29

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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.