Home / 13,695.03-18,866.39-13,028.00

Finding the Fourth Proportional to 13,695.03, 18,866.39 and 13,028.00

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Solution

The fourth proportional to 13,695.03, 18,866.39 and 13,028.00 is: 17,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.03 : 18,866.39 = 13,028.00 : x
  2. Step 2: Convert to fraction form
    13,695.03/18,866.39 = 13,028.00/x
  3. Step 3: Cross multiply
    13,695.03x = 18,866.39 × 13,028.00
  4. Step 4: Simplify right side
    13,695.03x = 245,791,169.45
  5. Step 5: Solve for x
    x = 245,791,169.45/13,695.03
  6. Step 6: Final answer
    x = 17,947.47

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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.