Home / 13,741.75-18,963.62-7,773.29

Finding the Fourth Proportional to 13,741.75, 18,963.62 and 7,773.29

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Solution

The fourth proportional to 13,741.75, 18,963.62 and 7,773.29 is: 10,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.75 : 18,963.62 = 7,773.29 : x
  2. Step 2: Convert to fraction form
    13,741.75/18,963.62 = 7,773.29/x
  3. Step 3: Cross multiply
    13,741.75x = 18,963.62 × 7,773.29
  4. Step 4: Simplify right side
    13,741.75x = 147,409,717.71
  5. Step 5: Solve for x
    x = 147,409,717.71/13,741.75
  6. Step 6: Final answer
    x = 10,727.14

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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.