Home / 12,835.76-19,254.32-4,071.36

Finding the Fourth Proportional to 12,835.76, 19,254.32 and 4,071.36

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Solution

The fourth proportional to 12,835.76, 19,254.32 and 4,071.36 is: 6,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.76 : 19,254.32 = 4,071.36 : x
  2. Step 2: Convert to fraction form
    12,835.76/19,254.32 = 4,071.36/x
  3. Step 3: Cross multiply
    12,835.76x = 19,254.32 × 4,071.36
  4. Step 4: Simplify right side
    12,835.76x = 78,391,268.28
  5. Step 5: Solve for x
    x = 78,391,268.28/12,835.76
  6. Step 6: Final answer
    x = 6,107.26

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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.