Home / 12,499.91-18,740.44-7,568.36

Finding the Fourth Proportional to 12,499.91, 18,740.44 and 7,568.36

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Solution

The fourth proportional to 12,499.91, 18,740.44 and 7,568.36 is: 11,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.91 : 18,740.44 = 7,568.36 : x
  2. Step 2: Convert to fraction form
    12,499.91/18,740.44 = 7,568.36/x
  3. Step 3: Cross multiply
    12,499.91x = 18,740.44 × 7,568.36
  4. Step 4: Simplify right side
    12,499.91x = 141,834,396.48
  5. Step 5: Solve for x
    x = 141,834,396.48/12,499.91
  6. Step 6: Final answer
    x = 11,346.83

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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.