Home / 13,965.64-20,948.52-3,577.36

Finding the Fourth Proportional to 13,965.64, 20,948.52 and 3,577.36

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Solution

The fourth proportional to 13,965.64, 20,948.52 and 3,577.36 is: 5,366.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.64 : 20,948.52 = 3,577.36 : x
  2. Step 2: Convert to fraction form
    13,965.64/20,948.52 = 3,577.36/x
  3. Step 3: Cross multiply
    13,965.64x = 20,948.52 × 3,577.36
  4. Step 4: Simplify right side
    13,965.64x = 74,940,397.51
  5. Step 5: Solve for x
    x = 74,940,397.51/13,965.64
  6. Step 6: Final answer
    x = 5,366.06

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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.