Home / 13,190.55-19,767.39-9,475.38

Finding the Fourth Proportional to 13,190.55, 19,767.39 and 9,475.38

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Solution

The fourth proportional to 13,190.55, 19,767.39 and 9,475.38 is: 14,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.55 : 19,767.39 = 9,475.38 : x
  2. Step 2: Convert to fraction form
    13,190.55/19,767.39 = 9,475.38/x
  3. Step 3: Cross multiply
    13,190.55x = 19,767.39 × 9,475.38
  4. Step 4: Simplify right side
    13,190.55x = 187,303,549.62
  5. Step 5: Solve for x
    x = 187,303,549.62/13,190.55
  6. Step 6: Final answer
    x = 14,199.83

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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.