Home / 13,741.89-18,961.77-7,773.42

Finding the Fourth Proportional to 13,741.89, 18,961.77 and 7,773.42

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Solution

The fourth proportional to 13,741.89, 18,961.77 and 7,773.42 is: 10,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.89 : 18,961.77 = 7,773.42 : x
  2. Step 2: Convert to fraction form
    13,741.89/18,961.77 = 7,773.42/x
  3. Step 3: Cross multiply
    13,741.89x = 18,961.77 × 7,773.42
  4. Step 4: Simplify right side
    13,741.89x = 147,397,902.41
  5. Step 5: Solve for x
    x = 147,397,902.41/13,741.89
  6. Step 6: Final answer
    x = 10,726.18

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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.