Home / 10,617.82-15,913.05-4,370.32

Finding the Fourth Proportional to 10,617.82, 15,913.05 and 4,370.32

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Solution

The fourth proportional to 10,617.82, 15,913.05 and 4,370.32 is: 6,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.82 : 15,913.05 = 4,370.32 : x
  2. Step 2: Convert to fraction form
    10,617.82/15,913.05 = 4,370.32/x
  3. Step 3: Cross multiply
    10,617.82x = 15,913.05 × 4,370.32
  4. Step 4: Simplify right side
    10,617.82x = 69,545,120.68
  5. Step 5: Solve for x
    x = 69,545,120.68/10,617.82
  6. Step 6: Final answer
    x = 6,549.85

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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.