Home / 11,499.36-17,225.15-7,318.68

Finding the Fourth Proportional to 11,499.36, 17,225.15 and 7,318.68

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Solution

The fourth proportional to 11,499.36, 17,225.15 and 7,318.68 is: 10,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,499.36 : 17,225.15 = 7,318.68 : x
  2. Step 2: Convert to fraction form
    11,499.36/17,225.15 = 7,318.68/x
  3. Step 3: Cross multiply
    11,499.36x = 17,225.15 × 7,318.68
  4. Step 4: Simplify right side
    11,499.36x = 126,065,324.21
  5. Step 5: Solve for x
    x = 126,065,324.21/11,499.36
  6. Step 6: Final answer
    x = 10,962.81

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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.