Home / 9,619.62-14,435.28-3,776.28

Finding the Fourth Proportional to 9,619.62, 14,435.28 and 3,776.28

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Solution

The fourth proportional to 9,619.62, 14,435.28 and 3,776.28 is: 5,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.62 : 14,435.28 = 3,776.28 : x
  2. Step 2: Convert to fraction form
    9,619.62/14,435.28 = 3,776.28/x
  3. Step 3: Cross multiply
    9,619.62x = 14,435.28 × 3,776.28
  4. Step 4: Simplify right side
    9,619.62x = 54,511,659.16
  5. Step 5: Solve for x
    x = 54,511,659.16/9,619.62
  6. Step 6: Final answer
    x = 5,666.72

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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.