Home / 9,976.96-14,955.86-4,431.03

Finding the Fourth Proportional to 9,976.96, 14,955.86 and 4,431.03

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Solution

The fourth proportional to 9,976.96, 14,955.86 and 4,431.03 is: 6,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.96 : 14,955.86 = 4,431.03 : x
  2. Step 2: Convert to fraction form
    9,976.96/14,955.86 = 4,431.03/x
  3. Step 3: Cross multiply
    9,976.96x = 14,955.86 × 4,431.03
  4. Step 4: Simplify right side
    9,976.96x = 66,269,767.40
  5. Step 5: Solve for x
    x = 66,269,767.40/9,976.96
  6. Step 6: Final answer
    x = 6,642.28

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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.