Home / 13,738.08-20,608.77-4,851.59

Finding the Fourth Proportional to 13,738.08, 20,608.77 and 4,851.59

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Solution

The fourth proportional to 13,738.08, 20,608.77 and 4,851.59 is: 7,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.08 : 20,608.77 = 4,851.59 : x
  2. Step 2: Convert to fraction form
    13,738.08/20,608.77 = 4,851.59/x
  3. Step 3: Cross multiply
    13,738.08x = 20,608.77 × 4,851.59
  4. Step 4: Simplify right side
    13,738.08x = 99,985,199.40
  5. Step 5: Solve for x
    x = 99,985,199.40/13,738.08
  6. Step 6: Final answer
    x = 7,277.96

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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.