Home / 11,325.02-15,629.19-6,289.79

Finding the Fourth Proportional to 11,325.02, 15,629.19 and 6,289.79

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Solution

The fourth proportional to 11,325.02, 15,629.19 and 6,289.79 is: 8,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.02 : 15,629.19 = 6,289.79 : x
  2. Step 2: Convert to fraction form
    11,325.02/15,629.19 = 6,289.79/x
  3. Step 3: Cross multiply
    11,325.02x = 15,629.19 × 6,289.79
  4. Step 4: Simplify right side
    11,325.02x = 98,304,221.24
  5. Step 5: Solve for x
    x = 98,304,221.24/11,325.02
  6. Step 6: Final answer
    x = 8,680.27

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Why These Related Problems?

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