Home / 14,189.14-19,548.39-11,203.87

Finding the Fourth Proportional to 14,189.14, 19,548.39 and 11,203.87

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Solution

The fourth proportional to 14,189.14, 19,548.39 and 11,203.87 is: 15,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.14 : 19,548.39 = 11,203.87 : x
  2. Step 2: Convert to fraction form
    14,189.14/19,548.39 = 11,203.87/x
  3. Step 3: Cross multiply
    14,189.14x = 19,548.39 × 11,203.87
  4. Step 4: Simplify right side
    14,189.14x = 219,017,620.27
  5. Step 5: Solve for x
    x = 219,017,620.27/14,189.14
  6. Step 6: Final answer
    x = 15,435.58

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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.