Home / 9,967.38-14,945.58-3,390.90

Finding the Fourth Proportional to 9,967.38, 14,945.58 and 3,390.90

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Solution

The fourth proportional to 9,967.38, 14,945.58 and 3,390.90 is: 5,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,967.38 : 14,945.58 = 3,390.90 : x
  2. Step 2: Convert to fraction form
    9,967.38/14,945.58 = 3,390.90/x
  3. Step 3: Cross multiply
    9,967.38x = 14,945.58 × 3,390.90
  4. Step 4: Simplify right side
    9,967.38x = 50,678,967.22
  5. Step 5: Solve for x
    x = 50,678,967.22/9,967.38
  6. Step 6: Final answer
    x = 5,084.48

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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.