Home / 13,590.54-20,383.60-3,727.50

Finding the Fourth Proportional to 13,590.54, 20,383.60 and 3,727.50

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Solution

The fourth proportional to 13,590.54, 20,383.60 and 3,727.50 is: 5,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.54 : 20,383.60 = 3,727.50 : x
  2. Step 2: Convert to fraction form
    13,590.54/20,383.60 = 3,727.50/x
  3. Step 3: Cross multiply
    13,590.54x = 20,383.60 × 3,727.50
  4. Step 4: Simplify right side
    13,590.54x = 75,979,869
  5. Step 5: Solve for x
    x = 75,979,869/13,590.54
  6. Step 6: Final answer
    x = 5,590.64

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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.