Home / 14,518.28-20,035.62-8,231.06

Finding the Fourth Proportional to 14,518.28, 20,035.62 and 8,231.06

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Solution

The fourth proportional to 14,518.28, 20,035.62 and 8,231.06 is: 11,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.28 : 20,035.62 = 8,231.06 : x
  2. Step 2: Convert to fraction form
    14,518.28/20,035.62 = 8,231.06/x
  3. Step 3: Cross multiply
    14,518.28x = 20,035.62 × 8,231.06
  4. Step 4: Simplify right side
    14,518.28x = 164,914,390.36
  5. Step 5: Solve for x
    x = 164,914,390.36/14,518.28
  6. Step 6: Final answer
    x = 11,359.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.