Home / 13,701.48-20,556.54-5,913.96

Finding the Fourth Proportional to 13,701.48, 20,556.54 and 5,913.96

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Solution

The fourth proportional to 13,701.48, 20,556.54 and 5,913.96 is: 8,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.48 : 20,556.54 = 5,913.96 : x
  2. Step 2: Convert to fraction form
    13,701.48/20,556.54 = 5,913.96/x
  3. Step 3: Cross multiply
    13,701.48x = 20,556.54 × 5,913.96
  4. Step 4: Simplify right side
    13,701.48x = 121,570,555.30
  5. Step 5: Solve for x
    x = 121,570,555.30/13,701.48
  6. Step 6: Final answer
    x = 8,872.80

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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.