Home / 20,692.94-31,015.10-9,576.14

Finding the Fourth Proportional to 20,692.94, 31,015.10 and 9,576.14

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Solution

The fourth proportional to 20,692.94, 31,015.10 and 9,576.14 is: 14,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692.94 : 31,015.10 = 9,576.14 : x
  2. Step 2: Convert to fraction form
    20,692.94/31,015.10 = 9,576.14/x
  3. Step 3: Cross multiply
    20,692.94x = 31,015.10 × 9,576.14
  4. Step 4: Simplify right side
    20,692.94x = 297,004,736.76
  5. Step 5: Solve for x
    x = 297,004,736.76/20,692.94
  6. Step 6: Final answer
    x = 14,352.95

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1.5x scale

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.