Home / 10,622.99-15,936.39-4,379.53

Finding the Fourth Proportional to 10,622.99, 15,936.39 and 4,379.53

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Solution

The fourth proportional to 10,622.99, 15,936.39 and 4,379.53 is: 6,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.99 : 15,936.39 = 4,379.53 : x
  2. Step 2: Convert to fraction form
    10,622.99/15,936.39 = 4,379.53/x
  3. Step 3: Cross multiply
    10,622.99x = 15,936.39 × 4,379.53
  4. Step 4: Simplify right side
    10,622.99x = 69,793,818.41
  5. Step 5: Solve for x
    x = 69,793,818.41/10,622.99
  6. Step 6: Final answer
    x = 6,570.07

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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.