Home / 10,183.84-15,275.77-2,788.36

Finding the Fourth Proportional to 10,183.84, 15,275.77 and 2,788.36

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Solution

The fourth proportional to 10,183.84, 15,275.77 and 2,788.36 is: 4,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.84 : 15,275.77 = 2,788.36 : x
  2. Step 2: Convert to fraction form
    10,183.84/15,275.77 = 2,788.36/x
  3. Step 3: Cross multiply
    10,183.84x = 15,275.77 × 2,788.36
  4. Step 4: Simplify right side
    10,183.84x = 42,594,300.88
  5. Step 5: Solve for x
    x = 42,594,300.88/10,183.84
  6. Step 6: Final answer
    x = 4,182.54

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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.