Home / 10,399.28-14,351.29-6,366.03

Finding the Fourth Proportional to 10,399.28, 14,351.29 and 6,366.03

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Solution

The fourth proportional to 10,399.28, 14,351.29 and 6,366.03 is: 8,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.28 : 14,351.29 = 6,366.03 : x
  2. Step 2: Convert to fraction form
    10,399.28/14,351.29 = 6,366.03/x
  3. Step 3: Cross multiply
    10,399.28x = 14,351.29 × 6,366.03
  4. Step 4: Simplify right side
    10,399.28x = 91,360,670.92
  5. Step 5: Solve for x
    x = 91,360,670.92/10,399.28
  6. Step 6: Final answer
    x = 8,785.29

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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.