Home / 18,129.32-27,194.22-7,036.64

Finding the Fourth Proportional to 18,129.32, 27,194.22 and 7,036.64

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Solution

The fourth proportional to 18,129.32, 27,194.22 and 7,036.64 is: 10,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.32 : 27,194.22 = 7,036.64 : x
  2. Step 2: Convert to fraction form
    18,129.32/27,194.22 = 7,036.64/x
  3. Step 3: Cross multiply
    18,129.32x = 27,194.22 × 7,036.64
  4. Step 4: Simplify right side
    18,129.32x = 191,355,936.22
  5. Step 5: Solve for x
    x = 191,355,936.22/18,129.32
  6. Step 6: Final answer
    x = 10,555.05

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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.