Home / 10,605.08-15,908.24-2,813.87

Finding the Fourth Proportional to 10,605.08, 15,908.24 and 2,813.87

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Solution

The fourth proportional to 10,605.08, 15,908.24 and 2,813.87 is: 4,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.08 : 15,908.24 = 2,813.87 : x
  2. Step 2: Convert to fraction form
    10,605.08/15,908.24 = 2,813.87/x
  3. Step 3: Cross multiply
    10,605.08x = 15,908.24 × 2,813.87
  4. Step 4: Simplify right side
    10,605.08x = 44,763,646.78
  5. Step 5: Solve for x
    x = 44,763,646.78/10,605.08
  6. Step 6: Final answer
    x = 4,220.96

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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.