Home / 10,687.20-14,748.32-5,971.68

Finding the Fourth Proportional to 10,687.20, 14,748.32 and 5,971.68

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Solution

The fourth proportional to 10,687.20, 14,748.32 and 5,971.68 is: 8,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.20 : 14,748.32 = 5,971.68 : x
  2. Step 2: Convert to fraction form
    10,687.20/14,748.32 = 5,971.68/x
  3. Step 3: Cross multiply
    10,687.20x = 14,748.32 × 5,971.68
  4. Step 4: Simplify right side
    10,687.20x = 88,072,247.58
  5. Step 5: Solve for x
    x = 88,072,247.58/10,687.20
  6. Step 6: Final answer
    x = 8,240.91

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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.