Home / 10,540.99-15,819.25-4,994.31

Finding the Fourth Proportional to 10,540.99, 15,819.25 and 4,994.31

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Solution

The fourth proportional to 10,540.99, 15,819.25 and 4,994.31 is: 7,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.99 : 15,819.25 = 4,994.31 : x
  2. Step 2: Convert to fraction form
    10,540.99/15,819.25 = 4,994.31/x
  3. Step 3: Cross multiply
    10,540.99x = 15,819.25 × 4,994.31
  4. Step 4: Simplify right side
    10,540.99x = 79,006,205.68
  5. Step 5: Solve for x
    x = 79,006,205.68/10,540.99
  6. Step 6: Final answer
    x = 7,495.14

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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.