Home / 10,563.21-15,836.61-4,324.79

Finding the Fourth Proportional to 10,563.21, 15,836.61 and 4,324.79

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Solution

The fourth proportional to 10,563.21, 15,836.61 and 4,324.79 is: 6,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563.21 : 15,836.61 = 4,324.79 : x
  2. Step 2: Convert to fraction form
    10,563.21/15,836.61 = 4,324.79/x
  3. Step 3: Cross multiply
    10,563.21x = 15,836.61 × 4,324.79
  4. Step 4: Simplify right side
    10,563.21x = 68,490,068.37
  5. Step 5: Solve for x
    x = 68,490,068.37/10,563.21
  6. Step 6: Final answer
    x = 6,483.83

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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.