Home / 10,015.17-15,023.61-2,619.61

Finding the Fourth Proportional to 10,015.17, 15,023.61 and 2,619.61

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Solution

The fourth proportional to 10,015.17, 15,023.61 and 2,619.61 is: 3,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.17 : 15,023.61 = 2,619.61 : x
  2. Step 2: Convert to fraction form
    10,015.17/15,023.61 = 2,619.61/x
  3. Step 3: Cross multiply
    10,015.17x = 15,023.61 × 2,619.61
  4. Step 4: Simplify right side
    10,015.17x = 39,355,998.99
  5. Step 5: Solve for x
    x = 39,355,998.99/10,015.17
  6. Step 6: Final answer
    x = 3,929.64

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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.