Home / 10,247.16-14,138.82-6,519

Finding the Fourth Proportional to 10,247.16, 14,138.82 and 6,519

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Solution

The fourth proportional to 10,247.16, 14,138.82 and 6,519 is: 8,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.16 : 14,138.82 = 6,519 : x
  2. Step 2: Convert to fraction form
    10,247.16/14,138.82 = 6,519/x
  3. Step 3: Cross multiply
    10,247.16x = 14,138.82 × 6,519
  4. Step 4: Simplify right side
    10,247.16x = 92,170,967.58
  5. Step 5: Solve for x
    x = 92,170,967.58/10,247.16
  6. Step 6: Final answer
    x = 8,994.78

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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.