Home / 13,276.40-19,914.36-4,042.40

Finding the Fourth Proportional to 13,276.40, 19,914.36 and 4,042.40

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Solution

The fourth proportional to 13,276.40, 19,914.36 and 4,042.40 is: 6,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.40 : 19,914.36 = 4,042.40 : x
  2. Step 2: Convert to fraction form
    13,276.40/19,914.36 = 4,042.40/x
  3. Step 3: Cross multiply
    13,276.40x = 19,914.36 × 4,042.40
  4. Step 4: Simplify right side
    13,276.40x = 80,501,808.86
  5. Step 5: Solve for x
    x = 80,501,808.86/13,276.40
  6. Step 6: Final answer
    x = 6,063.53

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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.