Home / 10,578.24-15,867.56-2,786.76

Finding the Fourth Proportional to 10,578.24, 15,867.56 and 2,786.76

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Solution

The fourth proportional to 10,578.24, 15,867.56 and 2,786.76 is: 4,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.24 : 15,867.56 = 2,786.76 : x
  2. Step 2: Convert to fraction form
    10,578.24/15,867.56 = 2,786.76/x
  3. Step 3: Cross multiply
    10,578.24x = 15,867.56 × 2,786.76
  4. Step 4: Simplify right side
    10,578.24x = 44,219,081.51
  5. Step 5: Solve for x
    x = 44,219,081.51/10,578.24
  6. Step 6: Final answer
    x = 4,180.19

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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.