Home / 18,209.63-27,325.05-7,679.00

Finding the Fourth Proportional to 18,209.63, 27,325.05 and 7,679.00

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Solution

The fourth proportional to 18,209.63, 27,325.05 and 7,679.00 is: 11,522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.63 : 27,325.05 = 7,679.00 : x
  2. Step 2: Convert to fraction form
    18,209.63/27,325.05 = 7,679.00/x
  3. Step 3: Cross multiply
    18,209.63x = 27,325.05 × 7,679.00
  4. Step 4: Simplify right side
    18,209.63x = 209,828,922.32
  5. Step 5: Solve for x
    x = 209,828,922.32/18,209.63
  6. Step 6: Final answer
    x = 11,522.97

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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.