Home / 10,943.21-15,101.61-5,975.21

Finding the Fourth Proportional to 10,943.21, 15,101.61 and 5,975.21

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Solution

The fourth proportional to 10,943.21, 15,101.61 and 5,975.21 is: 8,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.21 : 15,101.61 = 5,975.21 : x
  2. Step 2: Convert to fraction form
    10,943.21/15,101.61 = 5,975.21/x
  3. Step 3: Cross multiply
    10,943.21x = 15,101.61 × 5,975.21
  4. Step 4: Simplify right side
    10,943.21x = 90,235,291.09
  5. Step 5: Solve for x
    x = 90,235,291.09/10,943.21
  6. Step 6: Final answer
    x = 8,245.78

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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.