Home / 13,984.65-20,971.37-6,086.61

Finding the Fourth Proportional to 13,984.65, 20,971.37 and 6,086.61

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Solution

The fourth proportional to 13,984.65, 20,971.37 and 6,086.61 is: 9,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.65 : 20,971.37 = 6,086.61 : x
  2. Step 2: Convert to fraction form
    13,984.65/20,971.37 = 6,086.61/x
  3. Step 3: Cross multiply
    13,984.65x = 20,971.37 × 6,086.61
  4. Step 4: Simplify right side
    13,984.65x = 127,644,565.57
  5. Step 5: Solve for x
    x = 127,644,565.57/13,984.65
  6. Step 6: Final answer
    x = 9,127.48

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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.