Home / 13,605.03-20,403.77-3,741.93

Finding the Fourth Proportional to 13,605.03, 20,403.77 and 3,741.93

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Solution

The fourth proportional to 13,605.03, 20,403.77 and 3,741.93 is: 5,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605.03 : 20,403.77 = 3,741.93 : x
  2. Step 2: Convert to fraction form
    13,605.03/20,403.77 = 3,741.93/x
  3. Step 3: Cross multiply
    13,605.03x = 20,403.77 × 3,741.93
  4. Step 4: Simplify right side
    13,605.03x = 76,349,460.37
  5. Step 5: Solve for x
    x = 76,349,460.37/13,605.03
  6. Step 6: Final answer
    x = 5,611.86

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1.5x scale

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.