Home / 11,378.56-17,065.68-3,585.28

Finding the Fourth Proportional to 11,378.56, 17,065.68 and 3,585.28

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Solution

The fourth proportional to 11,378.56, 17,065.68 and 3,585.28 is: 5,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.56 : 17,065.68 = 3,585.28 : x
  2. Step 2: Convert to fraction form
    11,378.56/17,065.68 = 3,585.28/x
  3. Step 3: Cross multiply
    11,378.56x = 17,065.68 × 3,585.28
  4. Step 4: Simplify right side
    11,378.56x = 61,185,241.19
  5. Step 5: Solve for x
    x = 61,185,241.19/11,378.56
  6. Step 6: Final answer
    x = 5,377.24

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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.