Home / 13,261.96-19,876.92-5,858.02

Finding the Fourth Proportional to 13,261.96, 19,876.92 and 5,858.02

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Solution

The fourth proportional to 13,261.96, 19,876.92 and 5,858.02 is: 8,779.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.96 : 19,876.92 = 5,858.02 : x
  2. Step 2: Convert to fraction form
    13,261.96/19,876.92 = 5,858.02/x
  3. Step 3: Cross multiply
    13,261.96x = 19,876.92 × 5,858.02
  4. Step 4: Simplify right side
    13,261.96x = 116,439,394.90
  5. Step 5: Solve for x
    x = 116,439,394.90/13,261.96
  6. Step 6: Final answer
    x = 8,779.95

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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.