Home / 18,266.16-27,371.72-14,099.84

Finding the Fourth Proportional to 18,266.16, 27,371.72 and 14,099.84

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Solution

The fourth proportional to 18,266.16, 27,371.72 and 14,099.84 is: 21,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.16 : 27,371.72 = 14,099.84 : x
  2. Step 2: Convert to fraction form
    18,266.16/27,371.72 = 14,099.84/x
  3. Step 3: Cross multiply
    18,266.16x = 27,371.72 × 14,099.84
  4. Step 4: Simplify right side
    18,266.16x = 385,936,872.52
  5. Step 5: Solve for x
    x = 385,936,872.52/18,266.16
  6. Step 6: Final answer
    x = 21,128.52

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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.