Home / 14,003.52-20,998.80-6,214.56

Finding the Fourth Proportional to 14,003.52, 20,998.80 and 6,214.56

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Solution

The fourth proportional to 14,003.52, 20,998.80 and 6,214.56 is: 9,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.52 : 20,998.80 = 6,214.56 : x
  2. Step 2: Convert to fraction form
    14,003.52/20,998.80 = 6,214.56/x
  3. Step 3: Cross multiply
    14,003.52x = 20,998.80 × 6,214.56
  4. Step 4: Simplify right side
    14,003.52x = 130,498,302.53
  5. Step 5: Solve for x
    x = 130,498,302.53/14,003.52
  6. Step 6: Final answer
    x = 9,318.96

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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.