Home / 9,076.11-13,601.40-7,218.99

Finding the Fourth Proportional to 9,076.11, 13,601.40 and 7,218.99

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Solution

The fourth proportional to 9,076.11, 13,601.40 and 7,218.99 is: 10,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.11 : 13,601.40 = 7,218.99 : x
  2. Step 2: Convert to fraction form
    9,076.11/13,601.40 = 7,218.99/x
  3. Step 3: Cross multiply
    9,076.11x = 13,601.40 × 7,218.99
  4. Step 4: Simplify right side
    9,076.11x = 98,188,370.59
  5. Step 5: Solve for x
    x = 98,188,370.59/9,076.11
  6. Step 6: Final answer
    x = 10,818.33

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1.5x scale

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.