Home / 11,528.80-17,294.76-4,135.30

Finding the Fourth Proportional to 11,528.80, 17,294.76 and 4,135.30

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Solution

The fourth proportional to 11,528.80, 17,294.76 and 4,135.30 is: 6,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.80 : 17,294.76 = 4,135.30 : x
  2. Step 2: Convert to fraction form
    11,528.80/17,294.76 = 4,135.30/x
  3. Step 3: Cross multiply
    11,528.80x = 17,294.76 × 4,135.30
  4. Step 4: Simplify right side
    11,528.80x = 71,519,021.03
  5. Step 5: Solve for x
    x = 71,519,021.03/11,528.80
  6. Step 6: Final answer
    x = 6,203.51

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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.