Home / 10,290.24-14,204.16-6,318

Finding the Fourth Proportional to 10,290.24, 14,204.16 and 6,318

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Solution

The fourth proportional to 10,290.24, 14,204.16 and 6,318 is: 8,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.24 : 14,204.16 = 6,318 : x
  2. Step 2: Convert to fraction form
    10,290.24/14,204.16 = 6,318/x
  3. Step 3: Cross multiply
    10,290.24x = 14,204.16 × 6,318
  4. Step 4: Simplify right side
    10,290.24x = 89,741,882.88
  5. Step 5: Solve for x
    x = 89,741,882.88/10,290.24
  6. Step 6: Final answer
    x = 8,721.07

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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.