Home / 13,001.14-19,505.49-4,681

Finding the Fourth Proportional to 13,001.14, 19,505.49 and 4,681

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Solution

The fourth proportional to 13,001.14, 19,505.49 and 4,681 is: 7,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.14 : 19,505.49 = 4,681 : x
  2. Step 2: Convert to fraction form
    13,001.14/19,505.49 = 4,681/x
  3. Step 3: Cross multiply
    13,001.14x = 19,505.49 × 4,681
  4. Step 4: Simplify right side
    13,001.14x = 91,305,198.69
  5. Step 5: Solve for x
    x = 91,305,198.69/13,001.14
  6. Step 6: Final answer
    x = 7,022.86

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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.