Home / 10,390.88-15,576.60-4,550.96

Finding the Fourth Proportional to 10,390.88, 15,576.60 and 4,550.96

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Solution

The fourth proportional to 10,390.88, 15,576.60 and 4,550.96 is: 6,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.88 : 15,576.60 = 4,550.96 : x
  2. Step 2: Convert to fraction form
    10,390.88/15,576.60 = 4,550.96/x
  3. Step 3: Cross multiply
    10,390.88x = 15,576.60 × 4,550.96
  4. Step 4: Simplify right side
    10,390.88x = 70,888,483.54
  5. Step 5: Solve for x
    x = 70,888,483.54/10,390.88
  6. Step 6: Final answer
    x = 6,822.18

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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.