Home / 10,619.43-15,929.14-3,599.49

Finding the Fourth Proportional to 10,619.43, 15,929.14 and 3,599.49

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Solution

The fourth proportional to 10,619.43, 15,929.14 and 3,599.49 is: 5,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.43 : 15,929.14 = 3,599.49 : x
  2. Step 2: Convert to fraction form
    10,619.43/15,929.14 = 3,599.49/x
  3. Step 3: Cross multiply
    10,619.43x = 15,929.14 × 3,599.49
  4. Step 4: Simplify right side
    10,619.43x = 57,336,780.14
  5. Step 5: Solve for x
    x = 57,336,780.14/10,619.43
  6. Step 6: Final answer
    x = 5,399.23

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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.