Home / 20,723.58-28,597.52-11,769.91

Finding the Fourth Proportional to 20,723.58, 28,597.52 and 11,769.91

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Solution

The fourth proportional to 20,723.58, 28,597.52 and 11,769.91 is: 16,241.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.58 : 28,597.52 = 11,769.91 : x
  2. Step 2: Convert to fraction form
    20,723.58/28,597.52 = 11,769.91/x
  3. Step 3: Cross multiply
    20,723.58x = 28,597.52 × 11,769.91
  4. Step 4: Simplify right side
    20,723.58x = 336,590,194.55
  5. Step 5: Solve for x
    x = 336,590,194.55/20,723.58
  6. Step 6: Final answer
    x = 16,241.89

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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.