Home / 14,736.60-20,320.92-11,379.96

Finding the Fourth Proportional to 14,736.60, 20,320.92 and 11,379.96

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Solution

The fourth proportional to 14,736.60, 20,320.92 and 11,379.96 is: 15,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.60 : 20,320.92 = 11,379.96 : x
  2. Step 2: Convert to fraction form
    14,736.60/20,320.92 = 11,379.96/x
  3. Step 3: Cross multiply
    14,736.60x = 20,320.92 × 11,379.96
  4. Step 4: Simplify right side
    14,736.60x = 231,251,256.76
  5. Step 5: Solve for x
    x = 231,251,256.76/14,736.60
  6. Step 6: Final answer
    x = 15,692.31

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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.