Home / 10,686.96-14,747.76-5,971.68

Finding the Fourth Proportional to 10,686.96, 14,747.76 and 5,971.68

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Solution

The fourth proportional to 10,686.96, 14,747.76 and 5,971.68 is: 8,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.96 : 14,747.76 = 5,971.68 : x
  2. Step 2: Convert to fraction form
    10,686.96/14,747.76 = 5,971.68/x
  3. Step 3: Cross multiply
    10,686.96x = 14,747.76 × 5,971.68
  4. Step 4: Simplify right side
    10,686.96x = 88,068,903.44
  5. Step 5: Solve for x
    x = 88,068,903.44/10,686.96
  6. Step 6: Final answer
    x = 8,240.78

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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.