Home / 11,538.68-17,306.40-4,142.12

Finding the Fourth Proportional to 11,538.68, 17,306.40 and 4,142.12

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Solution

The fourth proportional to 11,538.68, 17,306.40 and 4,142.12 is: 6,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.68 : 17,306.40 = 4,142.12 : x
  2. Step 2: Convert to fraction form
    11,538.68/17,306.40 = 4,142.12/x
  3. Step 3: Cross multiply
    11,538.68x = 17,306.40 × 4,142.12
  4. Step 4: Simplify right side
    11,538.68x = 71,685,185.57
  5. Step 5: Solve for x
    x = 71,685,185.57/11,538.68
  6. Step 6: Final answer
    x = 6,212.60

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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.