Home / 13,984.49-20,984.03-5,670.65

Finding the Fourth Proportional to 13,984.49, 20,984.03 and 5,670.65

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Solution

The fourth proportional to 13,984.49, 20,984.03 and 5,670.65 is: 8,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.49 : 20,984.03 = 5,670.65 : x
  2. Step 2: Convert to fraction form
    13,984.49/20,984.03 = 5,670.65/x
  3. Step 3: Cross multiply
    13,984.49x = 20,984.03 × 5,670.65
  4. Step 4: Simplify right side
    13,984.49x = 118,992,956.45
  5. Step 5: Solve for x
    x = 118,992,956.45/13,984.49
  6. Step 6: Final answer
    x = 8,508.93

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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.