Home / 20,581.04-30,876.44-6,730

Finding the Fourth Proportional to 20,581.04, 30,876.44 and 6,730

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Solution

The fourth proportional to 20,581.04, 30,876.44 and 6,730 is: 10,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581.04 : 30,876.44 = 6,730 : x
  2. Step 2: Convert to fraction form
    20,581.04/30,876.44 = 6,730/x
  3. Step 3: Cross multiply
    20,581.04x = 30,876.44 × 6,730
  4. Step 4: Simplify right side
    20,581.04x = 207,798,441.20
  5. Step 5: Solve for x
    x = 207,798,441.20/20,581.04
  6. Step 6: Final answer
    x = 10,096.60

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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.