Home / 10,112.04-13,954.78-5,635.88

Finding the Fourth Proportional to 10,112.04, 13,954.78 and 5,635.88

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Solution

The fourth proportional to 10,112.04, 13,954.78 and 5,635.88 is: 7,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.04 : 13,954.78 = 5,635.88 : x
  2. Step 2: Convert to fraction form
    10,112.04/13,954.78 = 5,635.88/x
  3. Step 3: Cross multiply
    10,112.04x = 13,954.78 × 5,635.88
  4. Step 4: Simplify right side
    10,112.04x = 78,647,455.11
  5. Step 5: Solve for x
    x = 78,647,455.11/10,112.04
  6. Step 6: Final answer
    x = 7,777.61

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1.5x scale

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.