Home / 10,206.19-15,315.45-3,631.88

Finding the Fourth Proportional to 10,206.19, 15,315.45 and 3,631.88

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Solution

The fourth proportional to 10,206.19, 15,315.45 and 3,631.88 is: 5,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.19 : 15,315.45 = 3,631.88 : x
  2. Step 2: Convert to fraction form
    10,206.19/15,315.45 = 3,631.88/x
  3. Step 3: Cross multiply
    10,206.19x = 15,315.45 × 3,631.88
  4. Step 4: Simplify right side
    10,206.19x = 55,623,876.55
  5. Step 5: Solve for x
    x = 55,623,876.55/10,206.19
  6. Step 6: Final answer
    x = 5,450.02

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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.