Home / 17,861.09-26,797.63-12,529.82

Finding the Fourth Proportional to 17,861.09, 26,797.63 and 12,529.82

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Solution

The fourth proportional to 17,861.09, 26,797.63 and 12,529.82 is: 18,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.09 : 26,797.63 = 12,529.82 : x
  2. Step 2: Convert to fraction form
    17,861.09/26,797.63 = 12,529.82/x
  3. Step 3: Cross multiply
    17,861.09x = 26,797.63 × 12,529.82
  4. Step 4: Simplify right side
    17,861.09x = 335,769,415.51
  5. Step 5: Solve for x
    x = 335,769,415.51/17,861.09
  6. Step 6: Final answer
    x = 18,798.94

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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.