Home / 9,089.13-13,605.60-7,760.73

Finding the Fourth Proportional to 9,089.13, 13,605.60 and 7,760.73

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Solution

The fourth proportional to 9,089.13, 13,605.60 and 7,760.73 is: 11,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.13 : 13,605.60 = 7,760.73 : x
  2. Step 2: Convert to fraction form
    9,089.13/13,605.60 = 7,760.73/x
  3. Step 3: Cross multiply
    9,089.13x = 13,605.60 × 7,760.73
  4. Step 4: Simplify right side
    9,089.13x = 105,589,388.09
  5. Step 5: Solve for x
    x = 105,589,388.09/9,089.13
  6. Step 6: Final answer
    x = 11,617.11

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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.