Home / 13,107.59-19,664.46-4,342.50

Finding the Fourth Proportional to 13,107.59, 19,664.46 and 4,342.50

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Solution

The fourth proportional to 13,107.59, 19,664.46 and 4,342.50 is: 6,514.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.59 : 19,664.46 = 4,342.50 : x
  2. Step 2: Convert to fraction form
    13,107.59/19,664.46 = 4,342.50/x
  3. Step 3: Cross multiply
    13,107.59x = 19,664.46 × 4,342.50
  4. Step 4: Simplify right side
    13,107.59x = 85,392,917.55
  5. Step 5: Solve for x
    x = 85,392,917.55/13,107.59
  6. Step 6: Final answer
    x = 6,514.77

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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.