Home / 14,665.32-20,229.03-8,692.77

Finding the Fourth Proportional to 14,665.32, 20,229.03 and 8,692.77

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Solution

The fourth proportional to 14,665.32, 20,229.03 and 8,692.77 is: 11,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.32 : 20,229.03 = 8,692.77 : x
  2. Step 2: Convert to fraction form
    14,665.32/20,229.03 = 8,692.77/x
  3. Step 3: Cross multiply
    14,665.32x = 20,229.03 × 8,692.77
  4. Step 4: Simplify right side
    14,665.32x = 175,846,305.11
  5. Step 5: Solve for x
    x = 175,846,305.11/14,665.32
  6. Step 6: Final answer
    x = 11,990.62

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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.