Home / 14,489.24-21,719.09-8,154.81

Finding the Fourth Proportional to 14,489.24, 21,719.09 and 8,154.81

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Solution

The fourth proportional to 14,489.24, 21,719.09 and 8,154.81 is: 12,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.24 : 21,719.09 = 8,154.81 : x
  2. Step 2: Convert to fraction form
    14,489.24/21,719.09 = 8,154.81/x
  3. Step 3: Cross multiply
    14,489.24x = 21,719.09 × 8,154.81
  4. Step 4: Simplify right side
    14,489.24x = 177,115,072.71
  5. Step 5: Solve for x
    x = 177,115,072.71/14,489.24
  6. Step 6: Final answer
    x = 12,223.91

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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.