Home / 11,719.74-17,583.64-7,331.96

Finding the Fourth Proportional to 11,719.74, 17,583.64 and 7,331.96

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Solution

The fourth proportional to 11,719.74, 17,583.64 and 7,331.96 is: 11,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.74 : 17,583.64 = 7,331.96 : x
  2. Step 2: Convert to fraction form
    11,719.74/17,583.64 = 7,331.96/x
  3. Step 3: Cross multiply
    11,719.74x = 17,583.64 × 7,331.96
  4. Step 4: Simplify right side
    11,719.74x = 128,922,545.13
  5. Step 5: Solve for x
    x = 128,922,545.13/11,719.74
  6. Step 6: Final answer
    x = 11,000.46

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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.