Home / 9,376.14-12,941.96-5,399.90

Finding the Fourth Proportional to 9,376.14, 12,941.96 and 5,399.90

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Solution

The fourth proportional to 9,376.14, 12,941.96 and 5,399.90 is: 7,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.14 : 12,941.96 = 5,399.90 : x
  2. Step 2: Convert to fraction form
    9,376.14/12,941.96 = 5,399.90/x
  3. Step 3: Cross multiply
    9,376.14x = 12,941.96 × 5,399.90
  4. Step 4: Simplify right side
    9,376.14x = 69,885,289.80
  5. Step 5: Solve for x
    x = 69,885,289.80/9,376.14
  6. Step 6: Final answer
    x = 7,453.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.