Home / 18,005.14-27,012.90-5,527

Finding the Fourth Proportional to 18,005.14, 27,012.90 and 5,527

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Solution

The fourth proportional to 18,005.14, 27,012.90 and 5,527 is: 8,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.14 : 27,012.90 = 5,527 : x
  2. Step 2: Convert to fraction form
    18,005.14/27,012.90 = 5,527/x
  3. Step 3: Cross multiply
    18,005.14x = 27,012.90 × 5,527
  4. Step 4: Simplify right side
    18,005.14x = 149,300,298.30
  5. Step 5: Solve for x
    x = 149,300,298.30/18,005.14
  6. Step 6: Final answer
    x = 8,292.09

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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.