Home / 13,202.91-18,220.01-7,234.81

Finding the Fourth Proportional to 13,202.91, 18,220.01 and 7,234.81

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Solution

The fourth proportional to 13,202.91, 18,220.01 and 7,234.81 is: 9,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.91 : 18,220.01 = 7,234.81 : x
  2. Step 2: Convert to fraction form
    13,202.91/18,220.01 = 7,234.81/x
  3. Step 3: Cross multiply
    13,202.91x = 18,220.01 × 7,234.81
  4. Step 4: Simplify right side
    13,202.91x = 131,818,310.55
  5. Step 5: Solve for x
    x = 131,818,310.55/13,202.91
  6. Step 6: Final answer
    x = 9,984.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.