Home / 10,621.37-15,933.96-4,377.92

Finding the Fourth Proportional to 10,621.37, 15,933.96 and 4,377.92

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Solution

The fourth proportional to 10,621.37, 15,933.96 and 4,377.92 is: 6,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.37 : 15,933.96 = 4,377.92 : x
  2. Step 2: Convert to fraction form
    10,621.37/15,933.96 = 4,377.92/x
  3. Step 3: Cross multiply
    10,621.37x = 15,933.96 × 4,377.92
  4. Step 4: Simplify right side
    10,621.37x = 69,757,522.49
  5. Step 5: Solve for x
    x = 69,757,522.49/10,621.37
  6. Step 6: Final answer
    x = 6,567.66

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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.