Home / 11,678.40-17,515.71-3,356.52

Finding the Fourth Proportional to 11,678.40, 17,515.71 and 3,356.52

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Solution

The fourth proportional to 11,678.40, 17,515.71 and 3,356.52 is: 5,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.40 : 17,515.71 = 3,356.52 : x
  2. Step 2: Convert to fraction form
    11,678.40/17,515.71 = 3,356.52/x
  3. Step 3: Cross multiply
    11,678.40x = 17,515.71 × 3,356.52
  4. Step 4: Simplify right side
    11,678.40x = 58,791,743.35
  5. Step 5: Solve for x
    x = 58,791,743.35/11,678.40
  6. Step 6: Final answer
    x = 5,034.23

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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.