Home / 11,387.34-17,081.19-3,992.01

Finding the Fourth Proportional to 11,387.34, 17,081.19 and 3,992.01

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Solution

The fourth proportional to 11,387.34, 17,081.19 and 3,992.01 is: 5,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.34 : 17,081.19 = 3,992.01 : x
  2. Step 2: Convert to fraction form
    11,387.34/17,081.19 = 3,992.01/x
  3. Step 3: Cross multiply
    11,387.34x = 17,081.19 × 3,992.01
  4. Step 4: Simplify right side
    11,387.34x = 68,188,281.29
  5. Step 5: Solve for x
    x = 68,188,281.29/11,387.34
  6. Step 6: Final answer
    x = 5,988.08

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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.