Home / 19,507.11-26,919.78-11,011.02

Finding the Fourth Proportional to 19,507.11, 26,919.78 and 11,011.02

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Solution

The fourth proportional to 19,507.11, 26,919.78 and 11,011.02 is: 15,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,507.11 : 26,919.78 = 11,011.02 : x
  2. Step 2: Convert to fraction form
    19,507.11/26,919.78 = 11,011.02/x
  3. Step 3: Cross multiply
    19,507.11x = 26,919.78 × 11,011.02
  4. Step 4: Simplify right side
    19,507.11x = 296,414,235.98
  5. Step 5: Solve for x
    x = 296,414,235.98/19,507.11
  6. Step 6: Final answer
    x = 15,195.19

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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.