Home / 14,692.12-20,274.82-8,319.92

Finding the Fourth Proportional to 14,692.12, 20,274.82 and 8,319.92

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Solution

The fourth proportional to 14,692.12, 20,274.82 and 8,319.92 is: 11,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,692.12 : 20,274.82 = 8,319.92 : x
  2. Step 2: Convert to fraction form
    14,692.12/20,274.82 = 8,319.92/x
  3. Step 3: Cross multiply
    14,692.12x = 20,274.82 × 8,319.92
  4. Step 4: Simplify right side
    14,692.12x = 168,684,805.04
  5. Step 5: Solve for x
    x = 168,684,805.04/14,692.12
  6. Step 6: Final answer
    x = 11,481.31

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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.