Home / 13,807.52-20,698.82-5,040.36

Finding the Fourth Proportional to 13,807.52, 20,698.82 and 5,040.36

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Solution

The fourth proportional to 13,807.52, 20,698.82 and 5,040.36 is: 7,555.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.52 : 20,698.82 = 5,040.36 : x
  2. Step 2: Convert to fraction form
    13,807.52/20,698.82 = 5,040.36/x
  3. Step 3: Cross multiply
    13,807.52x = 20,698.82 × 5,040.36
  4. Step 4: Simplify right side
    13,807.52x = 104,329,504.38
  5. Step 5: Solve for x
    x = 104,329,504.38/13,807.52
  6. Step 6: Final answer
    x = 7,555.99

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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.