Home / 10,549.21-15,806.03-6,376.49

Finding the Fourth Proportional to 10,549.21, 15,806.03 and 6,376.49

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Solution

The fourth proportional to 10,549.21, 15,806.03 and 6,376.49 is: 9,553.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.21 : 15,806.03 = 6,376.49 : x
  2. Step 2: Convert to fraction form
    10,549.21/15,806.03 = 6,376.49/x
  3. Step 3: Cross multiply
    10,549.21x = 15,806.03 × 6,376.49
  4. Step 4: Simplify right side
    10,549.21x = 100,786,960.35
  5. Step 5: Solve for x
    x = 100,786,960.35/10,549.21
  6. Step 6: Final answer
    x = 9,553.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.