Home / 18,112.32-27,129.42-14,956.92

Finding the Fourth Proportional to 18,112.32, 27,129.42 and 14,956.92

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Solution

The fourth proportional to 18,112.32, 27,129.42 and 14,956.92 is: 22,403.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.32 : 27,129.42 = 14,956.92 : x
  2. Step 2: Convert to fraction form
    18,112.32/27,129.42 = 14,956.92/x
  3. Step 3: Cross multiply
    18,112.32x = 27,129.42 × 14,956.92
  4. Step 4: Simplify right side
    18,112.32x = 405,772,564.59
  5. Step 5: Solve for x
    x = 405,772,564.59/18,112.32
  6. Step 6: Final answer
    x = 22,403.12

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1.5x scale

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.