Home / 10,791.38-14,890.98-6,075.56

Finding the Fourth Proportional to 10,791.38, 14,890.98 and 6,075.56

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Solution

The fourth proportional to 10,791.38, 14,890.98 and 6,075.56 is: 8,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.38 : 14,890.98 = 6,075.56 : x
  2. Step 2: Convert to fraction form
    10,791.38/14,890.98 = 6,075.56/x
  3. Step 3: Cross multiply
    10,791.38x = 14,890.98 × 6,075.56
  4. Step 4: Simplify right side
    10,791.38x = 90,471,042.45
  5. Step 5: Solve for x
    x = 90,471,042.45/10,791.38
  6. Step 6: Final answer
    x = 8,383.64

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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.