Home / 10,624.50-15,939.99-3,699

Finding the Fourth Proportional to 10,624.50, 15,939.99 and 3,699

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Solution

The fourth proportional to 10,624.50, 15,939.99 and 3,699 is: 5,549.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,624.50 : 15,939.99 = 3,699 : x
  2. Step 2: Convert to fraction form
    10,624.50/15,939.99 = 3,699/x
  3. Step 3: Cross multiply
    10,624.50x = 15,939.99 × 3,699
  4. Step 4: Simplify right side
    10,624.50x = 58,962,023.01
  5. Step 5: Solve for x
    x = 58,962,023.01/10,624.50
  6. Step 6: Final answer
    x = 5,549.63

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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.