Home / 13,583.59-20,372.09-5,258.31

Finding the Fourth Proportional to 13,583.59, 20,372.09 and 5,258.31

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Solution

The fourth proportional to 13,583.59, 20,372.09 and 5,258.31 is: 7,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.59 : 20,372.09 = 5,258.31 : x
  2. Step 2: Convert to fraction form
    13,583.59/20,372.09 = 5,258.31/x
  3. Step 3: Cross multiply
    13,583.59x = 20,372.09 × 5,258.31
  4. Step 4: Simplify right side
    13,583.59x = 107,122,764.57
  5. Step 5: Solve for x
    x = 107,122,764.57/13,583.59
  6. Step 6: Final answer
    x = 7,886.19

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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.