Home / 11,378.90-17,065.92-3,585.89

Finding the Fourth Proportional to 11,378.90, 17,065.92 and 3,585.89

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Solution

The fourth proportional to 11,378.90, 17,065.92 and 3,585.89 is: 5,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.90 : 17,065.92 = 3,585.89 : x
  2. Step 2: Convert to fraction form
    11,378.90/17,065.92 = 3,585.89/x
  3. Step 3: Cross multiply
    11,378.90x = 17,065.92 × 3,585.89
  4. Step 4: Simplify right side
    11,378.90x = 61,196,567.98
  5. Step 5: Solve for x
    x = 61,196,567.98/11,378.90
  6. Step 6: Final answer
    x = 5,378.07

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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.