Home / 10,314.61-14,234.37-6,731.87

Finding the Fourth Proportional to 10,314.61, 14,234.37 and 6,731.87

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Solution

The fourth proportional to 10,314.61, 14,234.37 and 6,731.87 is: 9,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314.61 : 14,234.37 = 6,731.87 : x
  2. Step 2: Convert to fraction form
    10,314.61/14,234.37 = 6,731.87/x
  3. Step 3: Cross multiply
    10,314.61x = 14,234.37 × 6,731.87
  4. Step 4: Simplify right side
    10,314.61x = 95,823,857.20
  5. Step 5: Solve for x
    x = 95,823,857.20/10,314.61
  6. Step 6: Final answer
    x = 9,290.11

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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.