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Finding the Fourth Proportional to 18,164.92, 25,063.14 and 10,606.96

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Solution

The fourth proportional to 18,164.92, 25,063.14 and 10,606.96 is: 14,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.92 : 25,063.14 = 10,606.96 : x
  2. Step 2: Convert to fraction form
    18,164.92/25,063.14 = 10,606.96/x
  3. Step 3: Cross multiply
    18,164.92x = 25,063.14 × 10,606.96
  4. Step 4: Simplify right side
    18,164.92x = 265,843,723.45
  5. Step 5: Solve for x
    x = 265,843,723.45/18,164.92
  6. Step 6: Final answer
    x = 14,635.01

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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.