Home / 10,321.28-14,236.08-6,344.63

Finding the Fourth Proportional to 10,321.28, 14,236.08 and 6,344.63

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Solution

The fourth proportional to 10,321.28, 14,236.08 and 6,344.63 is: 8,751.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.28 : 14,236.08 = 6,344.63 : x
  2. Step 2: Convert to fraction form
    10,321.28/14,236.08 = 6,344.63/x
  3. Step 3: Cross multiply
    10,321.28x = 14,236.08 × 6,344.63
  4. Step 4: Simplify right side
    10,321.28x = 90,322,660.25
  5. Step 5: Solve for x
    x = 90,322,660.25/10,321.28
  6. Step 6: Final answer
    x = 8,751.11

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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.