Home / 20,615.96-30,927.60-6,579.06

Finding the Fourth Proportional to 20,615.96, 30,927.60 and 6,579.06

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Solution

The fourth proportional to 20,615.96, 30,927.60 and 6,579.06 is: 9,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615.96 : 30,927.60 = 6,579.06 : x
  2. Step 2: Convert to fraction form
    20,615.96/30,927.60 = 6,579.06/x
  3. Step 3: Cross multiply
    20,615.96x = 30,927.60 × 6,579.06
  4. Step 4: Simplify right side
    20,615.96x = 203,474,536.06
  5. Step 5: Solve for x
    x = 203,474,536.06/20,615.96
  6. Step 6: Final answer
    x = 9,869.76

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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.