Home / 10,288.77-14,198.45-5,812.31

Finding the Fourth Proportional to 10,288.77, 14,198.45 and 5,812.31

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Solution

The fourth proportional to 10,288.77, 14,198.45 and 5,812.31 is: 8,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.77 : 14,198.45 = 5,812.31 : x
  2. Step 2: Convert to fraction form
    10,288.77/14,198.45 = 5,812.31/x
  3. Step 3: Cross multiply
    10,288.77x = 14,198.45 × 5,812.31
  4. Step 4: Simplify right side
    10,288.77x = 82,525,692.87
  5. Step 5: Solve for x
    x = 82,525,692.87/10,288.77
  6. Step 6: Final answer
    x = 8,020.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.