Home / 12,914.04-19,378.44-10,749

Finding the Fourth Proportional to 12,914.04, 19,378.44 and 10,749

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Solution

The fourth proportional to 12,914.04, 19,378.44 and 10,749 is: 16,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914.04 : 19,378.44 = 10,749 : x
  2. Step 2: Convert to fraction form
    12,914.04/19,378.44 = 10,749/x
  3. Step 3: Cross multiply
    12,914.04x = 19,378.44 × 10,749
  4. Step 4: Simplify right side
    12,914.04x = 208,298,851.56
  5. Step 5: Solve for x
    x = 208,298,851.56/12,914.04
  6. Step 6: Final answer
    x = 16,129.64

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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.