Home / 13,037.20-19,555.84-3,176.48

Finding the Fourth Proportional to 13,037.20, 19,555.84 and 3,176.48

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Solution

The fourth proportional to 13,037.20, 19,555.84 and 3,176.48 is: 4,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.20 : 19,555.84 = 3,176.48 : x
  2. Step 2: Convert to fraction form
    13,037.20/19,555.84 = 3,176.48/x
  3. Step 3: Cross multiply
    13,037.20x = 19,555.84 × 3,176.48
  4. Step 4: Simplify right side
    13,037.20x = 62,118,734.64
  5. Step 5: Solve for x
    x = 62,118,734.64/13,037.20
  6. Step 6: Final answer
    x = 4,764.73

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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.