Home / 13,202.68-19,814.96-6,630.74

Finding the Fourth Proportional to 13,202.68, 19,814.96 and 6,630.74

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Solution

The fourth proportional to 13,202.68, 19,814.96 and 6,630.74 is: 9,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.68 : 19,814.96 = 6,630.74 : x
  2. Step 2: Convert to fraction form
    13,202.68/19,814.96 = 6,630.74/x
  3. Step 3: Cross multiply
    13,202.68x = 19,814.96 × 6,630.74
  4. Step 4: Simplify right side
    13,202.68x = 131,387,847.87
  5. Step 5: Solve for x
    x = 131,387,847.87/13,202.68
  6. Step 6: Final answer
    x = 9,951.60

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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.