Home / 10,190.81-15,286.32-3,617.26

Finding the Fourth Proportional to 10,190.81, 15,286.32 and 3,617.26

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Solution

The fourth proportional to 10,190.81, 15,286.32 and 3,617.26 is: 5,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.81 : 15,286.32 = 3,617.26 : x
  2. Step 2: Convert to fraction form
    10,190.81/15,286.32 = 3,617.26/x
  3. Step 3: Cross multiply
    10,190.81x = 15,286.32 × 3,617.26
  4. Step 4: Simplify right side
    10,190.81x = 55,294,555.67
  5. Step 5: Solve for x
    x = 55,294,555.67/10,190.81
  6. Step 6: Final answer
    x = 5,425.92

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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.