Home / 16,719.04-25,078.51-4,239.03

Finding the Fourth Proportional to 16,719.04, 25,078.51 and 4,239.03

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Solution

The fourth proportional to 16,719.04, 25,078.51 and 4,239.03 is: 6,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.04 : 25,078.51 = 4,239.03 : x
  2. Step 2: Convert to fraction form
    16,719.04/25,078.51 = 4,239.03/x
  3. Step 3: Cross multiply
    16,719.04x = 25,078.51 × 4,239.03
  4. Step 4: Simplify right side
    16,719.04x = 106,308,556.25
  5. Step 5: Solve for x
    x = 106,308,556.25/16,719.04
  6. Step 6: Final answer
    x = 6,358.53

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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.