Home / 13,765.69-18,976.65-10,175.35

Finding the Fourth Proportional to 13,765.69, 18,976.65 and 10,175.35

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Solution

The fourth proportional to 13,765.69, 18,976.65 and 10,175.35 is: 14,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.69 : 18,976.65 = 10,175.35 : x
  2. Step 2: Convert to fraction form
    13,765.69/18,976.65 = 10,175.35/x
  3. Step 3: Cross multiply
    13,765.69x = 18,976.65 × 10,175.35
  4. Step 4: Simplify right side
    13,765.69x = 193,094,055.58
  5. Step 5: Solve for x
    x = 193,094,055.58/13,765.69
  6. Step 6: Final answer
    x = 14,027.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.