Home / 9,967.20-14,945.76-3,040.80

Finding the Fourth Proportional to 9,967.20, 14,945.76 and 3,040.80

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Solution

The fourth proportional to 9,967.20, 14,945.76 and 3,040.80 is: 4,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,967.20 : 14,945.76 = 3,040.80 : x
  2. Step 2: Convert to fraction form
    9,967.20/14,945.76 = 3,040.80/x
  3. Step 3: Cross multiply
    9,967.20x = 14,945.76 × 3,040.80
  4. Step 4: Simplify right side
    9,967.20x = 45,447,067.01
  5. Step 5: Solve for x
    x = 45,447,067.01/9,967.20
  6. Step 6: Final answer
    x = 4,559.66

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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.