Home / 10,686.36-14,747.16-5,906.66

Finding the Fourth Proportional to 10,686.36, 14,747.16 and 5,906.66

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Solution

The fourth proportional to 10,686.36, 14,747.16 and 5,906.66 is: 8,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.36 : 14,747.16 = 5,906.66 : x
  2. Step 2: Convert to fraction form
    10,686.36/14,747.16 = 5,906.66/x
  3. Step 3: Cross multiply
    10,686.36x = 14,747.16 × 5,906.66
  4. Step 4: Simplify right side
    10,686.36x = 87,106,460.09
  5. Step 5: Solve for x
    x = 87,106,460.09/10,686.36
  6. Step 6: Final answer
    x = 8,151.19

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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.