Home / 18,281.88-27,400.84-6,581.43

Finding the Fourth Proportional to 18,281.88, 27,400.84 and 6,581.43

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Solution

The fourth proportional to 18,281.88, 27,400.84 and 6,581.43 is: 9,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.88 : 27,400.84 = 6,581.43 : x
  2. Step 2: Convert to fraction form
    18,281.88/27,400.84 = 6,581.43/x
  3. Step 3: Cross multiply
    18,281.88x = 27,400.84 × 6,581.43
  4. Step 4: Simplify right side
    18,281.88x = 180,336,710.40
  5. Step 5: Solve for x
    x = 180,336,710.40/18,281.88
  6. Step 6: Final answer
    x = 9,864.23

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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.