Home / 13,309.41-19,967.54-4,989.54

Finding the Fourth Proportional to 13,309.41, 19,967.54 and 4,989.54

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Solution

The fourth proportional to 13,309.41, 19,967.54 and 4,989.54 is: 7,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.41 : 19,967.54 = 4,989.54 : x
  2. Step 2: Convert to fraction form
    13,309.41/19,967.54 = 4,989.54/x
  3. Step 3: Cross multiply
    13,309.41x = 19,967.54 × 4,989.54
  4. Step 4: Simplify right side
    13,309.41x = 99,628,839.53
  5. Step 5: Solve for x
    x = 99,628,839.53/13,309.41
  6. Step 6: Final answer
    x = 7,485.59

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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.