Home / 10,399.11-14,351.36-6,859.82

Finding the Fourth Proportional to 10,399.11, 14,351.36 and 6,859.82

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Solution

The fourth proportional to 10,399.11, 14,351.36 and 6,859.82 is: 9,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.11 : 14,351.36 = 6,859.82 : x
  2. Step 2: Convert to fraction form
    10,399.11/14,351.36 = 6,859.82/x
  3. Step 3: Cross multiply
    10,399.11x = 14,351.36 × 6,859.82
  4. Step 4: Simplify right side
    10,399.11x = 98,447,640.30
  5. Step 5: Solve for x
    x = 98,447,640.30/10,399.11
  6. Step 6: Final answer
    x = 9,466.93

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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.