Home / 13,249.45-18,284.24-7,281.50

Finding the Fourth Proportional to 13,249.45, 18,284.24 and 7,281.50

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Solution

The fourth proportional to 13,249.45, 18,284.24 and 7,281.50 is: 10,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.45 : 18,284.24 = 7,281.50 : x
  2. Step 2: Convert to fraction form
    13,249.45/18,284.24 = 7,281.50/x
  3. Step 3: Cross multiply
    13,249.45x = 18,284.24 × 7,281.50
  4. Step 4: Simplify right side
    13,249.45x = 133,136,657.15
  5. Step 5: Solve for x
    x = 133,136,657.15/13,249.45
  6. Step 6: Final answer
    x = 10,048.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.