Home / 18,991.05-26,207.72-11,034.82

Finding the Fourth Proportional to 18,991.05, 26,207.72 and 11,034.82

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Solution

The fourth proportional to 18,991.05, 26,207.72 and 11,034.82 is: 15,228.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,991.05 : 26,207.72 = 11,034.82 : x
  2. Step 2: Convert to fraction form
    18,991.05/26,207.72 = 11,034.82/x
  3. Step 3: Cross multiply
    18,991.05x = 26,207.72 × 11,034.82
  4. Step 4: Simplify right side
    18,991.05x = 289,197,472.81
  5. Step 5: Solve for x
    x = 289,197,472.81/18,991.05
  6. Step 6: Final answer
    x = 15,228.09

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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.