Home / 17,964.85-26,930.64-9,180.40

Finding the Fourth Proportional to 17,964.85, 26,930.64 and 9,180.40

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Solution

The fourth proportional to 17,964.85, 26,930.64 and 9,180.40 is: 13,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,964.85 : 26,930.64 = 9,180.40 : x
  2. Step 2: Convert to fraction form
    17,964.85/26,930.64 = 9,180.40/x
  3. Step 3: Cross multiply
    17,964.85x = 26,930.64 × 9,180.40
  4. Step 4: Simplify right side
    17,964.85x = 247,233,912.80
  5. Step 5: Solve for x
    x = 247,233,912.80/17,964.85
  6. Step 6: Final answer
    x = 13,762.10

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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.