Home / 10,014.82-15,021.08-2,619.99

Finding the Fourth Proportional to 10,014.82, 15,021.08 and 2,619.99

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Solution

The fourth proportional to 10,014.82, 15,021.08 and 2,619.99 is: 3,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.82 : 15,021.08 = 2,619.99 : x
  2. Step 2: Convert to fraction form
    10,014.82/15,021.08 = 2,619.99/x
  3. Step 3: Cross multiply
    10,014.82x = 15,021.08 × 2,619.99
  4. Step 4: Simplify right side
    10,014.82x = 39,355,123.49
  5. Step 5: Solve for x
    x = 39,355,123.49/10,014.82
  6. Step 6: Final answer
    x = 3,929.69

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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.